Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow. This vulnerability is associate…

cve CVE-2026-49760 1 source, 1 claim · Watch

NVD writes:
Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow. This vulnerability is associated with program file lib/erl_interface/src/misc/ei_printterm.c and program routine ei_s_print_term. The C function ei_s_print_term uses an internal 2000-character stack buffer to format terms. When called with an encoded Erlang term containing a very large integer (encoded representation exceeding 2000 characters), the buffer overflows. The overflow bytes are restricted to the ASCII values of 0-9 and A-F, which limits exploitation to Denial of Service. Th… the claim
Severity
MEDIUM NVD
CVSS
5.5 NVD
Vendor
Erlang NVD
Product
OTP NVD
CWE
CWE-121 NVD

How far exploitation has got

  1. No public code known
  2. Proof of concept
  3. Proof of concept, verified
  4. A Metasploit module
  5. Exploited in the wild
  6. Used in ransomware campaigns

Timeline

2026-06-10first spoke of it: Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow. This vulnerability is associated with program file lib/erl_interface/src/misc/ei_printterm.c and program routine ei_s_print_term. The C function ei_s_print_term uses an internal 2000-character stack buffer to format terms. When called with an encoded Erlang term containing a very large integer (encoded representation exceeding 2000 characters), the buffer overflows. The overflow bytes are restricted to the ASCII values of 0-9 and A-F, which limits exploitation to Denial of Service. The companion function ei_print_term, which prints directly to a FILE instead of a memory buffer, does not contain this bug. 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 erl_interface from 3.7.16 before 5.5.2.1, 5.7.0.1, and 5.8.1. Whether OTP before OTP 17.0, corresponding to erl_interface before 3.7.16, is affected is unknown.NVD

Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow. This vulnerability is associated with program file lib/erl_interface/src/misc/ei_printterm.c and program routine ei_s_print_term. The C function ei_s_print_term uses an internal 2000-character stack buffer to format terms. When called with an encoded Erlang term containing a very large integer (encoded representation exceeding 2000 characters), the buffer overflows. The overflow bytes are restricted to the ASCII values of 0-9 and A-F, which limits exploitation to Denial of Service. The companion function ei_print_term, which prints directly to a FILE instead of a memory buffer, does not contain this bug. 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 erl_interface from 3.7.16 before 5.5.2.1, 5.7.0.1, and 5.8.1. Whether OTP before OTP 17.0, corresponding to erl_interface before 3.7.16, is affected is unknown.

What it is to other things

affectserlang/erl_interface
NVD
affectserlang/erlang\/otp
NVD
made_byerlang
NVD

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

affectserlang/otp
NVD says “Erlang · OTP”
Every value, with what each source said and its receipt
PropertySourceSaidMeans here
Automatable
automatable
NVDno
At least one of those steps needs a person.
receipt
Source
NVD
Its words
no
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 UTCno
2026-09-29 09:45 UTC—
What the source handed over
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            "modules": [
              "erl_interface"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "lib/erl_interface/src/misc/ei_printterm.c"
            ],
            "programRoutines": [
              {
                "name": "ei_s_print_term"
              }
            ],
            "vendor": "Erlang",
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                    "at": "27.3.4.13",
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                    "at": "29.0.2",
                    "status": "unaffected"
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—
CVSS
cvss
NVD5.5
receipt
Source
NVD
Its words
5.5
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
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      }
    ],
    "id": "CVE-2026-49760",
    "lastModified": "2026-09-24T21:17:15.130",
    "metrics": {
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            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "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:L/AC:L/AT:N/PR:N/UI:N/VC:N/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": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-49760",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-06-10T16:16:14.697009Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-06-10T16:17:12.947",
    "references": [
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Mitigation",
          "Third Party Advisory"
        ],
        "url": "https://cna.erlef.org/cves/CVE-2026-49760.html"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/erlang/otp/commit/0bef277b2d39dc8babb9ceb4f5d0a456f3007111"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Mitigation",
          "Vendor Advisory"
        ],
        "url": "https://github.com/erlang/otp/security/advisories/GHSA-xcxj-5pg2-v72j"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Mitigation",
          "Third Party Advisory"
        ],
        "url": "https://osv.dev/vulnerability/EEF-CVE-2026-49760"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Product"
        ],
        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
      }
    ],
    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-121"
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      }
    ]
  }
}
—
Cvss4
cvss4
NVD6.9
receipt
Source
NVD
Its words
6.9
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 UTC6.9
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": [
              "erl_interface"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "lib/erl_interface/src/misc/ei_printterm.c"
            ],
            "programRoutines": [
              {
                "name": "ei_s_print_term"
              }
            ],
            "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": [
              "erl_interface"
            ],
            "packageName": "erl_interface",
            "packageURL": "pkg:otp/erl_interface?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
            "product": "OTP",
            "programFiles": [
              "src/misc/ei_printterm.c"
            ],
            "programRoutines": [
              {
                "name": "ei_s_print_term"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "5.5.2.1",
                    "status": "unaffected"
                  },
                  {
                    "at": "5.7.0.1",
                    "status": "unaffected"
                  },
                  {
                    "at": "5.8.1",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "3.7.16",
                "versionType": "otp"
              }
            ]
          },
          {
            "collectionURL": "https://github.com",
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "erl_interface"
            ],
            "packageName": "erlang/otp",
            "packageURL": "pkg:github/erlang/otp",
            "product": "OTP",
            "programFiles": [
              "lib/erl_interface/src/misc/ei_printterm.c"
            ],
            "programRoutines": [
              {
                "name": "ei_s_print_term"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "lessThan": "0bef277b2d39dc8babb9ceb4f5d0a456f3007111",
                "status": "affected",
                "version": "84adefa331c4159d432d22840663c38f155cd4c1",
                "versionType": "git"
              },
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "0bef277b2d39dc8babb9ceb4f5d0a456f3007111",
                "versionType": "git"
              }
            ]
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:erlang:erl_interface:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "BC41283B-463D-427D-AF2F-AAA70D1F29FD",
                "versionEndExcluding": "5.5.2.1",
                "versionStartIncluding": "3.7.16",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erl_interface:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "675D56C9-DBC3-4D8B-9599-5DC5677BA93B",
                "versionEndExcluding": "5.7.0.1",
                "versionStartIncluding": "5.7",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:erlang:erl_interface:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "2C3C2FDD-D25E-4290-8AA3-40EA8793CE59",
                "versionEndExcluding": "5.8.1",
                "versionStartIncluding": "5.8",
                "vulnerable": true
              },
              {
                "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
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow.\n\nThis vulnerability is associated with program file lib/erl_interface/src/misc/ei_printterm.c and program routine ei_s_print_term.\n\nThe C function ei_s_print_term uses an internal 2000-character stack buffer to format terms. When called with an encoded Erlang term containing a very large integer (encoded representation exceeding 2000 characters), the buffer overflows. The overflow bytes are restricted to the ASCII values of 0-9 and A-F, which limits exploitation to Denial of Service.\n\nThe companion function ei_print_term, which prints directly to a FILE instead of a memory buffer, does not contain this bug.\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 erl_interface from 3.7.16 before 5.5.2.1, 5.7.0.1, and 5.8.1. Whether OTP before OTP 17.0, corresponding to erl_interface before 3.7.16, is affected is unknown."
      }
    ],
    "id": "CVE-2026-49760",
    "lastModified": "2026-09-24T21:17:15.130",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6,
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "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:L/AC:L/AT:N/PR:N/UI:N/VC:N/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": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-49760",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-06-10T16:16:14.697009Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-06-10T16:17:12.947",
    "references": [
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Mitigation",
          "Third Party Advisory"
        ],
        "url": "https://cna.erlef.org/cves/CVE-2026-49760.html"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Patch"
        ],
        "url": "https://github.com/erlang/otp/commit/0bef277b2d39dc8babb9ceb4f5d0a456f3007111"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Mitigation",
          "Vendor Advisory"
        ],
        "url": "https://github.com/erlang/otp/security/advisories/GHSA-xcxj-5pg2-v72j"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Mitigation",
          "Third Party Advisory"
        ],
        "url": "https://osv.dev/vulnerability/EEF-CVE-2026-49760"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Product"
        ],
        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
      }
    ],
    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-121"
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      }
    ]
  }
}
—
Cvss4 vector
cvss4_vector
NVDCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/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:L/AC:L/AT:N/PR:N/UI:N/VC:N/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 UTCCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/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": [
              "erl_interface"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "lib/erl_interface/src/misc/ei_printterm.c"
            ],
            "programRoutines": [
              {
                "name": "ei_s_print_term"
              }
            ],
            "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": [
              "erl_interface"
            ],
            "packageName": "erl_interface",
            "packageURL": "pkg:otp/erl_interface?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
            "product": "OTP",
            "programFiles": [
              "src/misc/ei_printterm.c"
            ],
            "programRoutines": [
              {
                "name": "ei_s_print_term"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "changes": [
                  {
                    "at": "5.5.2.1",
                    "status": "unaffected"
                  },
                  {
                    "at": "5.7.0.1",
                    "status": "unaffected"
                  },
                  {
                    "at": "5.8.1",
                    "status": "unaffected"
                  }
                ],
                "lessThan": "*",
                "status": "affected",
                "version": "3.7.16",
                "versionType": "otp"
              }
            ]
          },
          {
            "collectionURL": "https://github.com",
            "cpes": [
              "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "modules": [
              "erl_interface"
            ],
            "packageName": "erlang/otp",
            "packageURL": "pkg:github/erlang/otp",
            "product": "OTP",
            "programFiles": [
              "lib/erl_interface/src/misc/ei_printterm.c"
            ],
            "programRoutines": [
              {
                "name": "ei_s_print_term"
              }
            ],
            "repo": "https://github.com/erlang/otp",
            "vendor": "Erlang",
            "versions": [
              {
                "lessThan": "0bef277b2d39dc8babb9ceb4f5d0a456f3007111",
                "status": "affected",
                "version": "84adefa331c4159d432d22840663c38f155cd4c1",
                "versionType": "git"
              },
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "0bef277b2d39dc8babb9ceb4f5d0a456f3007111",
                "versionType": "git"
              }
            ]
          }
        ],
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      }
    ],
    "id": "CVE-2026-49760",
    "lastModified": "2026-09-24T21:17:15.130",
    "metrics": {
      "cvssMetricV31": [
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          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
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            "integrityImpact": "NONE",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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          },
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          "impactScore": 3.6,
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          "type": "Primary"
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      ],
      "cvssMetricV40": [
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          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
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            "attackVector": "LOCAL",
            "availabilityRequirement": "NOT_DEFINED",
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            "baseSeverity": "MEDIUM",
            "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",
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            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/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",
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            "vulnAvailabilityImpact": "HIGH",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "type": "Secondary"
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      ],
      "ssvcV203": [
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          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
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                "exploitation": "none"
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                "automatable": "no"
              },
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    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
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        "type": "Secondary"
      }
    ]
  }
}
—
CVSS vector
cvss_vector
NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
receipt
Source
NVD
Its words
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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 UTCCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2026-09-29 09:45 UTC—
What the source handed over
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            ],
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      }
    ],
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    "lastModified": "2026-09-24T21:17:15.130",
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            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
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              },
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              },
              {
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              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-06-10T16:16:14.697009Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-06-10T16:17:12.947",
    "references": [
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        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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          "Third Party Advisory"
        ],
        "url": "https://cna.erlef.org/cves/CVE-2026-49760.html"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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        ],
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      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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          "Mitigation",
          "Vendor Advisory"
        ],
        "url": "https://github.com/erlang/otp/security/advisories/GHSA-xcxj-5pg2-v72j"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Mitigation",
          "Third Party Advisory"
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      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Product"
        ],
        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
      }
    ],
    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
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        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      }
    ]
  }
}
—
CWE
cwe
NVDCWE-121
receipt
Source
NVD
Its words
CWE-121
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 UTCCWE-121
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": [
              "erl_interface"
            ],
            "packageName": "otp",
            "packageURL": "pkg:software-id/erlang.org/otp",
            "product": "OTP",
            "programFiles": [
              "lib/erl_interface/src/misc/ei_printterm.c"
            ],
            "programRoutines": [
              {
                "name": "ei_s_print_term"
              }
            ],
            "vendor": "Erlang",
            "versions": [
              {
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                  {
                    "at": "27.3.4.13",
                    "status": "unaffected"
                  },
                  {
                    "at": "28.5.0.2",
                    "status": "unaffected"
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—
Exploitation
exploitation
NVDnone
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 UTCnone
2026-09-29 09:45 UTC—
What the source handed over
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    ],
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  }
}
—
Product
product
NVDOTP
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 UTCOTP
2026-09-29 09:45 UTC—
What the source handed over
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    },
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    "references": [
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        "type": "Secondary"
      }
    ]
  }
}
—
Severity
severity
NVDMEDIUM
From 4.0 to 6.9.
receipt
Source
NVD
Its words
MEDIUM
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 UTCMEDIUM
2026-09-29 09:45 UTC—
What the source handed over
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    ],
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    "lastModified": "2026-09-24T21:17:15.130",
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medium
Status
status
NVDModified
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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}
—
Technical impact
technical_impact
NVDpartial
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 UTCpartial
2026-09-29 09:45 UTC—
What the source handed over
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        "value": "Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow.\n\nThis vulnerability is associated with program file lib/erl_interface/src/misc/ei_printterm.c and program routine ei_s_print_term.\n\nThe C function ei_s_print_term uses an internal 2000-character stack buffer to format terms. When called with an encoded Erlang term containing a very large integer (encoded representation exceeding 2000 characters), the buffer overflows. The overflow bytes are restricted to the ASCII values of 0-9 and A-F, which limits exploitation to Denial of Service.\n\nThe companion function ei_print_term, which prints directly to a FILE instead of a memory buffer, does not contain this bug.\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 erl_interface from 3.7.16 before 5.5.2.1, 5.7.0.1, and 5.8.1. Whether OTP before OTP 17.0, corresponding to erl_interface before 3.7.16, is affected is unknown."
      }
    ],
    "id": "CVE-2026-49760",
    "lastModified": "2026-09-24T21:17:15.130",
    "metrics": {
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        {
          "cvssData": {
            "attackComplexity": "LOW",
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            "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",
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          },
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          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
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      },
      {
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          "Patch"
        ],
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      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Mitigation",
          "Vendor Advisory"
        ],
        "url": "https://github.com/erlang/otp/security/advisories/GHSA-xcxj-5pg2-v72j"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Mitigation",
          "Third Party Advisory"
        ],
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      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Product"
        ],
        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
      }
    ],
    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
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          {
            "lang": "en",
            "value": "CWE-121"
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      }
    ]
  }
}
—
Vendor
vendor
NVDErlang
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 UTCErlang
2026-09-29 09:45 UTC—
What the source handed over
{
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            "programRoutines": [
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            "packageURL": "pkg:github/erlang/otp",
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            "programFiles": [
              "lib/erl_interface/src/misc/ei_printterm.c"
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            "vendor": "Erlang",
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                "status": "affected",
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                "versionType": "git"
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              {
                "lessThan": "*",
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                "version": "0bef277b2d39dc8babb9ceb4f5d0a456f3007111",
                "versionType": "git"
              }
            ]
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"
      }
    ],
    "configurations": [
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        "nodes": [
          {
            "cpeMatch": [
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                "criteria": "cpe:2.3:a:erlang:erl_interface:*:*:*:*:*:*:*:*",
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                "versionEndExcluding": "5.5.2.1",
                "versionStartIncluding": "3.7.16",
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              {
                "criteria": "cpe:2.3:a:erlang:erl_interface:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "675D56C9-DBC3-4D8B-9599-5DC5677BA93B",
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            "negate": false,
            "operator": "OR"
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        ]
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    ],
    "cveTags": [],
    "descriptions": [
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        "lang": "en",
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      }
    ],
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    "lastModified": "2026-09-24T21:17:15.130",
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      },
      {
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      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Mitigation",
          "Vendor Advisory"
        ],
        "url": "https://github.com/erlang/otp/security/advisories/GHSA-xcxj-5pg2-v72j"
      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Mitigation",
          "Third Party Advisory"
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      },
      {
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "tags": [
          "Product"
        ],
        "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
      }
    ],
    "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-121"
          }
        ],
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      }
    ]
  }
}
—
Every claim, by kind

vulnerability

Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow. This vulnerability is associated with program file lib/erl_interface/src/misc/ei_printterm.c and program routine ei_s_print_term. The C function ei_s_print_term uses an internal 2000-character stack buffer to format terms. When called with an encoded Erlang term containing a very large integer (encoded representation exceeding 2000 characters), the buffer overflows. The overflow bytes are restricted to the ASCII values of 0-9 and A-F, which limits exploitation to Denial of Service. The companion function ei_print_term, which prints directly to a FILE instead of a memory buffer, does not contain this bug. 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 erl_interface from 3.7.16 before 5.5.2.1, 5.7.0.1, and 5.8.1. Whether OTP before OTP 17.0, corresponding to erl_interface before 3.7.16, is affected is unknown.
zetlyn/cve-nvd · 2026-06-10
automatable no cvss 5.5 cvss4 6.9 cvss4_vector CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/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:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H cwe CWE-121 exploitation none product OTP severity MEDIUM status Modified technical_impact partial vendor Erlang source