erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk

cve CVE-2026-49759 2 sources, 2 claims · Watch

Red Hat writes:
erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk the claim

Severity: HIGH NVD
important Red Hat
CVSS: 8.2 NVD
8.2 Red Hat
Vendor: Erlang NVD
Product: OTP NVD
CWE: CWE-121, CWE-120 NVD
CWE-120 Red Hat

How far exploitation has got

No public code known
Proof of concept
Proof of concept, verified
A Metasploit module
Exploited in the wild
Used in ransomware campaigns

Timeline

2026-06-10	first spoke of it: Stack-based Buffer Overflow vulnerability in Erlang OTP erts (inet_drv) allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk. The sctp_parse_error_chunk function in erts/emulator/drivers/common/inet_drv.c parses SCTP ERROR chunks and writes cause codes into a fixed-size stack-allocated ErlDrvTermData spec[] array without checking bounds. A remote attacker who has established an SCTP association to a listening port can send a single crafted SCTP ERROR chunk containing enough cause codes to overflow the stack buffer, crashing the VM. The attacker can only write 16-bit values interleaved with a fixed tag, so the overflow does not provide a controlled return address, limiting exploitation to Denial of Service. A crafted SCTP ERROR chunk may also leak bits and pieces of Erlang VM memory into the received error packet observed by the Erlang process. Such data is already readable by the user running the Erlang VM, so the disclosure scope is limited. This issue affects OTP from OTP 17.0 before OTP 27.3.4.13, OTP 28.5.0.2, and OTP 29.0.2, corresponding to erts from 6.0 before 15.2.7.9, 16.4.0.2, and 17.0.2. Whether OTP before OTP 17.0, corresponding to erts before 6.0, is affected is unknown.	NVD
2026-06-10	first spoke of it: erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk	Red Hat

What it is to other things

affects	erlang/erlang\/otp NVD
affects	erlang/erts NVD
made_by	erlang NVD

In words only, so not counted until a person confirms one:

affects

erlang/otp

NVD says “Erlang · OTP”

Every value, with what each source said and its receipt

Property Source Said Means here

Automatable

automatable

NVD

yes

An attacker can reliably run all of the kill chain's first four steps without a person.

receipt

Source: NVD
Its words: yes
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].automatable
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	yes
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "27.3.4.13",
                    "status": "unaffected"
                  },
                  {
                    "at": "28.5.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "29.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "17.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erts",
            "packageURL": "pkg:otp/erts?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
            "product": "OTP",
            "programFiles": [
              "emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "15.2.7.9",
                    "status": "unaffected"
                  },
                  {
                    "at": "16.4.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "17.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "6.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "collectionURL": "https://github.com",
            "cpes": [
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            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erlang/otp",
            "packageURL": "pkg:github/erlang/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "lessThan": "3983d495284331c121f600a80bac9fcf4e16381e",
                "status": "affected",
                "version": "84adefa331c4159d432d22840663c38f155cd4c1",
                "versionType": "git"
              },
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "3983d495284331c121f600a80bac9fcf4e16381e",
                "versionType": "git"
              }
            ]
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"
      },
      {
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            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:16.2"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 16.2",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
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            ],
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            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 17.1",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
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            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 18.0",
            "vendor": "Red Hat"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "BF42A5F2-4C27-43FE-B5FA-17A3422B9649",
                "versionEndExcluding": "27.3.4.13",
                "versionStartIncluding": "17.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "902ED4C3-B9DE-4ABC-9BEA-D23DA4F5D373",
                "versionEndExcluding": "28.5.0.2",
                "versionStartIncluding": "28.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "F4AB1573-4E81-4338-B65A-B3C94C7249FA",
                "versionEndExcluding": "29.0.2",
                "versionStartIncluding": "29.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "EAB60C9A-F1B2-4377-8C9B-B8496D3D9B5C",
                "versionEndExcluding": "15.2.7.9",
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              {
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                "versionEndExcluding": "17.0.2",
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                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Stack-based Buffer Overflow vulnerability in Erlang OTP erts (inet_drv) allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk.\n\nThe sctp_parse_error_chunk function in erts/emulator/drivers/common/inet_drv.c parses SCTP ERROR chunks and writes cause codes into a fixed-size stack-allocated ErlDrvTermData spec[] array without checking bounds. A remote attacker who has established an SCTP association to a listening port can send a single crafted SCTP ERROR chunk containing enough cause codes to overflow the stack buffer, crashing the VM. The attacker can only write 16-bit values interleaved with a fixed tag, so the overflow does not provide a controlled return address, limiting exploitation to Denial of Service.\n\nA crafted SCTP ERROR chunk may also leak bits and pieces of Erlang VM memory into the received error packet observed by the Erlang process. Such data is already readable by the user running the Erlang VM, so the disclosure scope is limited.\n\nThis issue affects OTP from OTP 17.0 before OTP 27.3.4.13, OTP 28.5.0.2, and OTP 29.0.2, corresponding to erts from 6.0 before 15.2.7.9, 16.4.0.2, and 17.0.2. Whether OTP before OTP 17.0, corresponding to erts before 6.0, is affected is unknown."
      }
    ],
    "id": "CVE-2026-49759",
    "lastModified": "2026-09-24T21:17:14.810",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.1"
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          "exploitabilityScore": 3.9,
          "impactScore": 4.2,
          "source": "nvd@nist.gov",
          "type": "Primary"
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            "baseScore": 8.2,
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          "impactScore": 4.2,
          "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
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            "subConfidentialityImpact": "NONE",
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            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
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            "options": [
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              {
                "automatable": "yes"
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              {
                "technicalImpact": "partial"
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            "role": "CISA Coordinator",
            "timestamp": "2026-06-10T16:18:27.945916Z",
            "version": "2.0.3"
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    "published": "2026-06-10T16:17:12.797",
    "references": [
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://cna.erlef.org/cves/CVE-2026-49759.html"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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        "url": "https://github.com/erlang/otp/commit/3983d495284331c121f600a80bac9fcf4e16381e"
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        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
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    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
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            "value": "CWE-121"
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        "type": "Secondary"
      },
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            "lang": "en",
            "value": "CWE-120"
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        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
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  }
}

—

CVSS

cvss

NVD

8.2

receipt

Source: NVD
Its words: 8.2
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since: 2026-09-29 09:45 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "27.3.4.13",
                    "status": "unaffected"
                  },
                  {
                    "at": "28.5.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "29.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "17.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erts",
            "packageURL": "pkg:otp/erts?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
            "product": "OTP",
            "programFiles": [
              "emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "15.2.7.9",
                    "status": "unaffected"
                  },
                  {
                    "at": "16.4.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "17.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "6.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "collectionURL": "https://github.com",
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erlang/otp",
            "packageURL": "pkg:github/erlang/otp",
            "product": "OTP",
            "programFiles": [
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            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
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                "lessThan": "3983d495284331c121f600a80bac9fcf4e16381e",
                "status": "affected",
                "version": "84adefa331c4159d432d22840663c38f155cd4c1",
                "versionType": "git"
              },
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "3983d495284331c121f600a80bac9fcf4e16381e",
                "versionType": "git"
              }
            ]
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"
      },
      {
        "affectedData": [
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            "cpes": [
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            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 16.2",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:17.1"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 17.1",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:18.0"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 18.0",
            "vendor": "Red Hat"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
      }
    ],
    "configurations": [
      {
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                "matchCriteriaId": "BF42A5F2-4C27-43FE-B5FA-17A3422B9649",
                "versionEndExcluding": "27.3.4.13",
                "versionStartIncluding": "17.0",
                "vulnerable": true
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    "cveTags": [],
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      }
    ],
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}

—

CVSS

cvss

Red Hat

8.2

receipt

Source: Red Hat
Its words: 8.2
Read by: field:cvss3_score
Said since: 2026-09-29 09:44 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

What the source handed over

{
  "CVE": "CVE-2026-49759",
  "CWE": "CWE-120",
  "advisories": [
    "RHSA-2026:63160"
  ],
  "affected_packages": [
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  ],
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  "bugzilla_description": "erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk",
  "cvss3_score": "8.2",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-06-10T14:35:38Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-49759.json",
  "severity": "important"
}

—

Cvss4

cvss4

NVD

8.8

receipt

Source: NVD
Its words: 8.8
Read by: field:cve.metrics.cvssMetricV40[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV40[].cvssData.baseScore
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	8.8
2026-09-29 09:45 UTC	—

What the source handed over

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            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-49759",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-06-10T16:18:27.945916Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-06-10T16:17:12.797",
    "references": [
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://cna.erlef.org/cves/CVE-2026-49759.html"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/erlang/otp/commit/3983d495284331c121f600a80bac9fcf4e16381e"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://github.com/erlang/otp/security/advisories/GHSA-6f4f-chj5-5g97"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://osv.dev/vulnerability/EEF-CVE-2026-49759"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Product"
        ],
        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/security/cve/CVE-2026-49759"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487607"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49759.json"
      }
    ],
    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-121"
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      },
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-120"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
      }
    ]
  }
}

—

Cvss4 vector

cvss4_vector

NVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

receipt

Source: NVD
Its words: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Read by: field:cve.metrics.cvssMetricV40[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV40[].cvssData.vectorString
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "27.3.4.13",
                    "status": "unaffected"
                  },
                  {
                    "at": "28.5.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "29.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "17.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erts",
            "packageURL": "pkg:otp/erts?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
            "product": "OTP",
            "programFiles": [
              "emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "15.2.7.9",
                    "status": "unaffected"
                  },
                  {
                    "at": "16.4.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "17.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "6.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "collectionURL": "https://github.com",
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erlang/otp",
            "packageURL": "pkg:github/erlang/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "lessThan": "3983d495284331c121f600a80bac9fcf4e16381e",
                "status": "affected",
                "version": "84adefa331c4159d432d22840663c38f155cd4c1",
                "versionType": "git"
              },
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "3983d495284331c121f600a80bac9fcf4e16381e",
                "versionType": "git"
              }
            ]
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"
      },
      {
        "affectedData": [
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:16.2"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 16.2",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:17.1"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 17.1",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:18.0"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 18.0",
            "vendor": "Red Hat"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "BF42A5F2-4C27-43FE-B5FA-17A3422B9649",
                "versionEndExcluding": "27.3.4.13",
                "versionStartIncluding": "17.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "902ED4C3-B9DE-4ABC-9BEA-D23DA4F5D373",
                "versionEndExcluding": "28.5.0.2",
                "versionStartIncluding": "28.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "F4AB1573-4E81-4338-B65A-B3C94C7249FA",
                "versionEndExcluding": "29.0.2",
                "versionStartIncluding": "29.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "EAB60C9A-F1B2-4377-8C9B-B8496D3D9B5C",
                "versionEndExcluding": "15.2.7.9",
                "versionStartIncluding": "6.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "0778AFBA-F21F-4394-AA3A-38784D379BEB",
                "versionEndExcluding": "16.4.0.2",
                "versionStartIncluding": "16.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "05F0E6B1-0DA3-4A0B-8C89-8DFC55EC7C8B",
                "versionEndExcluding": "17.0.2",
                "versionStartIncluding": "17.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Stack-based Buffer Overflow vulnerability in Erlang OTP erts (inet_drv) allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk.\n\nThe sctp_parse_error_chunk function in erts/emulator/drivers/common/inet_drv.c parses SCTP ERROR chunks and writes cause codes into a fixed-size stack-allocated ErlDrvTermData spec[] array without checking bounds. A remote attacker who has established an SCTP association to a listening port can send a single crafted SCTP ERROR chunk containing enough cause codes to overflow the stack buffer, crashing the VM. The attacker can only write 16-bit values interleaved with a fixed tag, so the overflow does not provide a controlled return address, limiting exploitation to Denial of Service.\n\nA crafted SCTP ERROR chunk may also leak bits and pieces of Erlang VM memory into the received error packet observed by the Erlang process. Such data is already readable by the user running the Erlang VM, so the disclosure scope is limited.\n\nThis issue affects OTP from OTP 17.0 before OTP 27.3.4.13, OTP 28.5.0.2, and OTP 29.0.2, corresponding to erts from 6.0 before 15.2.7.9, 16.4.0.2, and 17.0.2. Whether OTP before OTP 17.0, corresponding to erts before 6.0, is affected is unknown."
      }
    ],
    "id": "CVE-2026-49759",
    "lastModified": "2026-09-24T21:17:14.810",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 4.2,
          "source": "nvd@nist.gov",
          "type": "Primary"
        },
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 4.2,
          "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-49759",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-06-10T16:18:27.945916Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-06-10T16:17:12.797",
    "references": [
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://cna.erlef.org/cves/CVE-2026-49759.html"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/erlang/otp/commit/3983d495284331c121f600a80bac9fcf4e16381e"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://github.com/erlang/otp/security/advisories/GHSA-6f4f-chj5-5g97"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://osv.dev/vulnerability/EEF-CVE-2026-49759"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Product"
        ],
        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/security/cve/CVE-2026-49759"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487607"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49759.json"
      }
    ],
    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-121"
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      },
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-120"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS vector

cvss_vector

NVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

receipt

Source: NVD
Its words: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV31[].cvssData.vectorString
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "27.3.4.13",
                    "status": "unaffected"
                  },
                  {
                    "at": "28.5.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "29.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "17.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erts",
            "packageURL": "pkg:otp/erts?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
            "product": "OTP",
            "programFiles": [
              "emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
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            ]
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    "cveTags": [],
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        "lang": "en",
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      }
    ],
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    "lastModified": "2026-09-24T21:17:14.810",
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      },
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    "vulnStatus": "Modified",
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        "type": "Secondary"
      }
    ]
  }
}

—

CVSS vector

cvss_vector

Red Hat

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

receipt

Source: Red Hat
Its words: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Read by: field:cvss3_scoring_vector
Said since: 2026-10-06 13:01 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

2026-10-06 13:01 UTC	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
2026-09-29 09:44 UTC	—

What the source handed over

{
  "CVE": "CVE-2026-49759",
  "CWE": "CWE-120",
  "advisories": [
    "RHSA-2026:63160"
  ],
  "affected_packages": [
    "erlang27-main-27.3.4.17-1.hum1"
  ],
  "bugzilla": "2487607",
  "bugzilla_description": "erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk",
  "cvss3_score": "8.2",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-06-10T14:35:38Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-49759.json",
  "severity": "important"
}

—

CWE

cwe

different words

NVD

CWE-121, CWE-120

receipt

Source: NVD
Its words: CWE-121, CWE-120
Read by: field:cve.weaknesses[].description[].value
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	CWE-121, CWE-120
2026-09-29 09:45 UTC	—

What the source handed over

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        "value": "Stack-based Buffer Overflow vulnerability in Erlang OTP erts (inet_drv) allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk.\n\nThe sctp_parse_error_chunk function in erts/emulator/drivers/common/inet_drv.c parses SCTP ERROR chunks and writes cause codes into a fixed-size stack-allocated ErlDrvTermData spec[] array without checking bounds. A remote attacker who has established an SCTP association to a listening port can send a single crafted SCTP ERROR chunk containing enough cause codes to overflow the stack buffer, crashing the VM. The attacker can only write 16-bit values interleaved with a fixed tag, so the overflow does not provide a controlled return address, limiting exploitation to Denial of Service.\n\nA crafted SCTP ERROR chunk may also leak bits and pieces of Erlang VM memory into the received error packet observed by the Erlang process. Such data is already readable by the user running the Erlang VM, so the disclosure scope is limited.\n\nThis issue affects OTP from OTP 17.0 before OTP 27.3.4.13, OTP 28.5.0.2, and OTP 29.0.2, corresponding to erts from 6.0 before 15.2.7.9, 16.4.0.2, and 17.0.2. Whether OTP before OTP 17.0, corresponding to erts before 6.0, is affected is unknown."
      }
    ],
    "id": "CVE-2026-49759",
    "lastModified": "2026-09-24T21:17:14.810",
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      {
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      }
    ]
  }
}

—

CWE

cwe

different words

Red Hat

CWE-120

receipt

Source: Red Hat
Its words: CWE-120
Read by: field:CWE
Said since: 2026-09-29 09:44 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

What the source handed over

{
  "CVE": "CVE-2026-49759",
  "CWE": "CWE-120",
  "advisories": [
    "RHSA-2026:63160"
  ],
  "affected_packages": [
    "erlang27-main-27.3.4.17-1.hum1"
  ],
  "bugzilla": "2487607",
  "bugzilla_description": "erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk",
  "cvss3_score": "8.2",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-06-10T14:35:38Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-49759.json",
  "severity": "important"
}

—

Exploitation

exploitation

NVD

none

No evidence of exploitation, and no public proof of concept.

receipt

Source: NVD
Its words: none
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].exploitation
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	none
2026-09-29 09:45 UTC	—

What the source handed over

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      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://osv.dev/vulnerability/EEF-CVE-2026-49759"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Product"
        ],
        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/security/cve/CVE-2026-49759"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487607"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49759.json"
      }
    ],
    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-121"
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      },
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-120"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
      }
    ]
  }
}

—

Packages

packages

Red Hat

erlang27-main-27.3.4.17-1.hum1

receipt

Source: Red Hat
Its words: erlang27-main-27.3.4.17-1.hum1
Read by: field:affected_packages[]
Said since: 2026-09-29 09:44 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

What the source handed over

{
  "CVE": "CVE-2026-49759",
  "CWE": "CWE-120",
  "advisories": [
    "RHSA-2026:63160"
  ],
  "affected_packages": [
    "erlang27-main-27.3.4.17-1.hum1"
  ],
  "bugzilla": "2487607",
  "bugzilla_description": "erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk",
  "cvss3_score": "8.2",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-06-10T14:35:38Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-49759.json",
  "severity": "important"
}

—

Product

product

NVD

OTP

receipt

Source: NVD
Its words: OTP
Read by: field:cve.affected[].affectedData[].product
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	OTP
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "27.3.4.13",
                    "status": "unaffected"
                  },
                  {
                    "at": "28.5.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "29.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "17.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erts",
            "packageURL": "pkg:otp/erts?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
            "product": "OTP",
            "programFiles": [
              "emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "15.2.7.9",
                    "status": "unaffected"
                  },
                  {
                    "at": "16.4.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "17.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "6.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "collectionURL": "https://github.com",
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erlang/otp",
            "packageURL": "pkg:github/erlang/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "lessThan": "3983d495284331c121f600a80bac9fcf4e16381e",
                "status": "affected",
                "version": "84adefa331c4159d432d22840663c38f155cd4c1",
                "versionType": "git"
              },
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "3983d495284331c121f600a80bac9fcf4e16381e",
                "versionType": "git"
              }
            ]
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"
      },
      {
        "affectedData": [
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:16.2"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 16.2",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:17.1"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 17.1",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:18.0"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 18.0",
            "vendor": "Red Hat"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "BF42A5F2-4C27-43FE-B5FA-17A3422B9649",
                "versionEndExcluding": "27.3.4.13",
                "versionStartIncluding": "17.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "902ED4C3-B9DE-4ABC-9BEA-D23DA4F5D373",
                "versionEndExcluding": "28.5.0.2",
                "versionStartIncluding": "28.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "F4AB1573-4E81-4338-B65A-B3C94C7249FA",
                "versionEndExcluding": "29.0.2",
                "versionStartIncluding": "29.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "EAB60C9A-F1B2-4377-8C9B-B8496D3D9B5C",
                "versionEndExcluding": "15.2.7.9",
                "versionStartIncluding": "6.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "0778AFBA-F21F-4394-AA3A-38784D379BEB",
                "versionEndExcluding": "16.4.0.2",
                "versionStartIncluding": "16.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "05F0E6B1-0DA3-4A0B-8C89-8DFC55EC7C8B",
                "versionEndExcluding": "17.0.2",
                "versionStartIncluding": "17.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Stack-based Buffer Overflow vulnerability in Erlang OTP erts (inet_drv) allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk.\n\nThe sctp_parse_error_chunk function in erts/emulator/drivers/common/inet_drv.c parses SCTP ERROR chunks and writes cause codes into a fixed-size stack-allocated ErlDrvTermData spec[] array without checking bounds. A remote attacker who has established an SCTP association to a listening port can send a single crafted SCTP ERROR chunk containing enough cause codes to overflow the stack buffer, crashing the VM. The attacker can only write 16-bit values interleaved with a fixed tag, so the overflow does not provide a controlled return address, limiting exploitation to Denial of Service.\n\nA crafted SCTP ERROR chunk may also leak bits and pieces of Erlang VM memory into the received error packet observed by the Erlang process. Such data is already readable by the user running the Erlang VM, so the disclosure scope is limited.\n\nThis issue affects OTP from OTP 17.0 before OTP 27.3.4.13, OTP 28.5.0.2, and OTP 29.0.2, corresponding to erts from 6.0 before 15.2.7.9, 16.4.0.2, and 17.0.2. Whether OTP before OTP 17.0, corresponding to erts before 6.0, is affected is unknown."
      }
    ],
    "id": "CVE-2026-49759",
    "lastModified": "2026-09-24T21:17:14.810",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 4.2,
          "source": "nvd@nist.gov",
          "type": "Primary"
        },
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 4.2,
          "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-49759",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-06-10T16:18:27.945916Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-06-10T16:17:12.797",
    "references": [
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://cna.erlef.org/cves/CVE-2026-49759.html"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/erlang/otp/commit/3983d495284331c121f600a80bac9fcf4e16381e"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://github.com/erlang/otp/security/advisories/GHSA-6f4f-chj5-5g97"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://osv.dev/vulnerability/EEF-CVE-2026-49759"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Product"
        ],
        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/security/cve/CVE-2026-49759"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487607"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49759.json"
      }
    ],
    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-121"
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      },
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-120"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
      }
    ]
  }
}

—

Severity

severity

NVD

HIGH

From 7.0 to 8.9.

receipt

Source: NVD
Its words: HIGH
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseSeverity || field:cve.metrics.cvssMetricV31[].cvssData.baseSeverity
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	HIGH
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "27.3.4.13",
                    "status": "unaffected"
                  },
                  {
                    "at": "28.5.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "29.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "17.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erts",
            "packageURL": "pkg:otp/erts?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
            "product": "OTP",
            "programFiles": [
              "emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "15.2.7.9",
                    "status": "unaffected"
                  },
                  {
                    "at": "16.4.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "17.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "6.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "collectionURL": "https://github.com",
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erlang/otp",
            "packageURL": "pkg:github/erlang/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "lessThan": "3983d495284331c121f600a80bac9fcf4e16381e",
                "status": "affected",
                "version": "84adefa331c4159d432d22840663c38f155cd4c1",
                "versionType": "git"
              },
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "3983d495284331c121f600a80bac9fcf4e16381e",
                "versionType": "git"
              }
            ]
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"
      },
      {
        "affectedData": [
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:16.2"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
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high

Severity

severity

Red Hat

important

A flaw that can easily compromise confidentiality, integrity or availability.

receipt

Source: Red Hat
Its words: important
Read by: field:severity
Said since: 2026-09-29 09:44 UTC
Last answered: 2026-10-06 13:02 UTC
Original: open at the source

What the source handed over

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  "cvss_score": null,
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high

Status

status

NVD

Modified

receipt

Source: NVD
Its words: Modified
Read by: field:cve.vulnStatus
Said since: 2026-09-29 09:45 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

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            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-49759",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-06-10T16:18:27.945916Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-06-10T16:17:12.797",
    "references": [
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://cna.erlef.org/cves/CVE-2026-49759.html"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/erlang/otp/commit/3983d495284331c121f600a80bac9fcf4e16381e"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://github.com/erlang/otp/security/advisories/GHSA-6f4f-chj5-5g97"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://osv.dev/vulnerability/EEF-CVE-2026-49759"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Product"
        ],
        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/security/cve/CVE-2026-49759"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487607"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49759.json"
      }
    ],
    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-121"
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      },
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-120"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
      }
    ]
  }
}

—

Technical impact

technical_impact

NVD

partial

The attacker gains limited control, or limited information.

receipt

Source: NVD
Its words: partial
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].technicalImpact
Said since: 2026-10-06 12:29 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:29 UTC	partial
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "27.3.4.13",
                    "status": "unaffected"
                  },
                  {
                    "at": "28.5.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "29.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "17.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erts",
            "packageURL": "pkg:otp/erts?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
            "product": "OTP",
            "programFiles": [
              "emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "15.2.7.9",
                    "status": "unaffected"
                  },
                  {
                    "at": "16.4.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "17.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "6.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "collectionURL": "https://github.com",
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erlang/otp",
            "packageURL": "pkg:github/erlang/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "lessThan": "3983d495284331c121f600a80bac9fcf4e16381e",
                "status": "affected",
                "version": "84adefa331c4159d432d22840663c38f155cd4c1",
                "versionType": "git"
              },
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "3983d495284331c121f600a80bac9fcf4e16381e",
                "versionType": "git"
              }
            ]
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"
      },
      {
        "affectedData": [
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:16.2"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 16.2",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:17.1"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 17.1",
            "vendor": "Red Hat"
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:openstack:18.0"
            ],
            "defaultStatus": "unaffected",
            "packageName": "erlang",
            "product": "Red Hat OpenStack Platform 18.0",
            "vendor": "Red Hat"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "BF42A5F2-4C27-43FE-B5FA-17A3422B9649",
                "versionEndExcluding": "27.3.4.13",
                "versionStartIncluding": "17.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "902ED4C3-B9DE-4ABC-9BEA-D23DA4F5D373",
                "versionEndExcluding": "28.5.0.2",
                "versionStartIncluding": "28.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "F4AB1573-4E81-4338-B65A-B3C94C7249FA",
                "versionEndExcluding": "29.0.2",
                "versionStartIncluding": "29.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "EAB60C9A-F1B2-4377-8C9B-B8496D3D9B5C",
                "versionEndExcluding": "15.2.7.9",
                "versionStartIncluding": "6.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "0778AFBA-F21F-4394-AA3A-38784D379BEB",
                "versionEndExcluding": "16.4.0.2",
                "versionStartIncluding": "16.0",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erts:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "05F0E6B1-0DA3-4A0B-8C89-8DFC55EC7C8B",
                "versionEndExcluding": "17.0.2",
                "versionStartIncluding": "17.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Stack-based Buffer Overflow vulnerability in Erlang OTP erts (inet_drv) allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk.\n\nThe sctp_parse_error_chunk function in erts/emulator/drivers/common/inet_drv.c parses SCTP ERROR chunks and writes cause codes into a fixed-size stack-allocated ErlDrvTermData spec[] array without checking bounds. A remote attacker who has established an SCTP association to a listening port can send a single crafted SCTP ERROR chunk containing enough cause codes to overflow the stack buffer, crashing the VM. The attacker can only write 16-bit values interleaved with a fixed tag, so the overflow does not provide a controlled return address, limiting exploitation to Denial of Service.\n\nA crafted SCTP ERROR chunk may also leak bits and pieces of Erlang VM memory into the received error packet observed by the Erlang process. Such data is already readable by the user running the Erlang VM, so the disclosure scope is limited.\n\nThis issue affects OTP from OTP 17.0 before OTP 27.3.4.13, OTP 28.5.0.2, and OTP 29.0.2, corresponding to erts from 6.0 before 15.2.7.9, 16.4.0.2, and 17.0.2. Whether OTP before OTP 17.0, corresponding to erts before 6.0, is affected is unknown."
      }
    ],
    "id": "CVE-2026-49759",
    "lastModified": "2026-09-24T21:17:14.810",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 4.2,
          "source": "nvd@nist.gov",
          "type": "Primary"
        },
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 4.2,
          "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "NOT_DEFINED",
            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-49759",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-06-10T16:18:27.945916Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-06-10T16:17:12.797",
    "references": [
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://cna.erlef.org/cves/CVE-2026-49759.html"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/erlang/otp/commit/3983d495284331c121f600a80bac9fcf4e16381e"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://github.com/erlang/otp/security/advisories/GHSA-6f4f-chj5-5g97"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://osv.dev/vulnerability/EEF-CVE-2026-49759"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Product"
        ],
        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/security/cve/CVE-2026-49759"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487607"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49759.json"
      }
    ],
    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-121"
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      },
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-120"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
      }
    ]
  }
}

—

Vendor

vendor

NVD

Erlang

receipt

Source: NVD
Its words: Erlang
Read by: field:cve.affected[].affectedData[].vendor
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	Erlang
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "erts/emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "27.3.4.13",
                    "status": "unaffected"
                  },
                  {
                    "at": "28.5.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "29.0.2",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "17.0",
                "versionType": "otp"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "inet_drv"
            ],
            "packageName": "erts",
            "packageURL": "pkg:otp/erts?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
            "product": "OTP",
            "programFiles": [
              "emulator/drivers/common/inet_drv.c"
            ],
            "programRoutines": [
              {
                "name": "sctp_parse_error_chunk"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "15.2.7.9",
                    "status": "unaffected"
                  },
                  {
                    "at": "16.4.0.2",
                    "status": "unaffected"
                  },
                  {
                    "at": "17.0.2",
                    "status": "unaffected"
                  }
                ],
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  }
}

—

Every claim, by kind

vulnerability

erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk zetlyn/cve-redhat · 2026-06-10	cvss 8.2 cvss_vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H cwe CWE-120 packages erlang27-main-27.3.4.17-1.hum1 severity important	source
Stack-based Buffer Overflow vulnerability in Erlang OTP erts (inet_drv) allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk. The sctp_parse_error_chunk function in erts/emulator/drivers/common/inet_drv.c parses SCTP ERROR chunks and writes cause codes into a fixed-size stack-allocated ErlDrvTermData spec[] array without checking bounds. A remote attacker who has established an SCTP association to a listening port can send a single crafted SCTP ERROR chunk containing enough cause codes to overflow the stack buffer, crashing the VM. The attacker can only write 16-bit values interleaved with a fixed tag, so the overflow does not provide a controlled return address, limiting exploitation to Denial of Service. A crafted SCTP ERROR chunk may also leak bits and pieces of Erlang VM memory into the received error packet observed by the Erlang process. Such data is already readable by the user running the Erlang VM, so the disclosure scope is limited. This issue affects OTP from OTP 17.0 before OTP 27.3.4.13, OTP 28.5.0.2, and OTP 29.0.2, corresponding to erts from 6.0 before 15.2.7.9, 16.4.0.2, and 17.0.2. Whether OTP before OTP 17.0, corresponding to erts before 6.0, is affected is unknown. zetlyn/cve-nvd · 2026-06-10	automatable yes cvss 8.2 cvss4 8.8 cvss4_vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X cvss_vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H cwe CWE-121, CWE-120 exploitation none product OTP severity HIGH status Modified technical_impact partial vendor Erlang	source