A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/el…

cve CVE-2026-91781 1 source, 1 claim · Watch

NVD writes:
A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component. the claim

Severity: LOW NVD
CVSS: 3.3 NVD
Vendor: GNU NVD
Product: Binutils NVD
CWE: CWE-404, CWE-476 NVD

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

2026-09-15

first spoke of it: A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component.

NVD

A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component.

What it is to other things

affects	gnu/binutils NVD
made_by	gnu NVD

Every value, with what each source said and its receipt

Property Source Said Means here

Automatable

automatable

NVD

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 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	no
2026-09-29 09:45 UTC	—

What the source handed over

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—

CVSS

cvss

NVD

3.3

receipt

Source: NVD
Its words: 3.3
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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—

Cvss4

cvss4

NVD

1.9

receipt

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Its words: 1.9
Read by: field:cve.metrics.cvssMetricV40[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV40[].cvssData.baseScore
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	1.9
2026-09-29 09:45 UTC	—

What the source handed over

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            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
            "modifiedVulnIntegrityImpact": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "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:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-91781",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-15T13:39:03.939059Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-15T09:16:45.153",
    "references": [
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Exploit",
          "Third Party Advisory"
        ],
        "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34449"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/cve/CVE-2026-91781"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/submit/933336"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/vuln/404052"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Permissions Required"
        ],
        "url": "https://vuldb.com/vuln/404052/cti"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Product"
        ],
        "url": "https://www.gnu.org/"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-404"
          },
          {
            "lang": "en",
            "value": "CWE-476"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Cvss4 vector

cvss4_vector

NVD

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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:gnu:binutils:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "ELF Section Handler"
            ],
            "product": "Binutils",
            "vendor": "GNU",
            "versions": [
              {
                "status": "affected",
                "version": "2.47"
              },
              {
                "status": "unaffected",
                "version": "2.48"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:gnu:binutils:2.47:*:*:*:*:*:*:*",
                "matchCriteriaId": "9F37BAFE-B2F1-4F71-836A-D14F19EB63BE",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component."
      }
    ],
    "id": "CVE-2026-91781",
    "lastModified": "2026-09-16T15:28:36.267",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "LOW",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 1.7,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.1,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "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:L",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 1.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 1.9,
            "baseSeverity": "LOW",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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": "LOW",
            "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:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-91781",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-15T13:39:03.939059Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-15T09:16:45.153",
    "references": [
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Exploit",
          "Third Party Advisory"
        ],
        "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34449"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/cve/CVE-2026-91781"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/submit/933336"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/vuln/404052"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Permissions Required"
        ],
        "url": "https://vuldb.com/vuln/404052/cti"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Product"
        ],
        "url": "https://www.gnu.org/"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-404"
          },
          {
            "lang": "en",
            "value": "CWE-476"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS vector

cvss_vector

NVD

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

receipt

Source: NVD
Its words: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV31[].cvssData.vectorString
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "ELF Section Handler"
            ],
            "product": "Binutils",
            "vendor": "GNU",
            "versions": [
              {
                "status": "affected",
                "version": "2.47"
              },
              {
                "status": "unaffected",
                "version": "2.48"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:gnu:binutils:2.47:*:*:*:*:*:*:*",
                "matchCriteriaId": "9F37BAFE-B2F1-4F71-836A-D14F19EB63BE",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component."
      }
    ],
    "id": "CVE-2026-91781",
    "lastModified": "2026-09-16T15:28:36.267",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "LOW",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 1.7,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.1,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "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:L",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 1.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 1.9,
            "baseSeverity": "LOW",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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": "LOW",
            "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:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-91781",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-15T13:39:03.939059Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-15T09:16:45.153",
    "references": [
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Exploit",
          "Third Party Advisory"
        ],
        "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34449"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/cve/CVE-2026-91781"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/submit/933336"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/vuln/404052"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Permissions Required"
        ],
        "url": "https://vuldb.com/vuln/404052/cti"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Product"
        ],
        "url": "https://www.gnu.org/"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-404"
          },
          {
            "lang": "en",
            "value": "CWE-476"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}

—

CWE

cwe

NVD

CWE-404, CWE-476

receipt

Source: NVD
Its words: CWE-404, CWE-476
Read by: field:cve.weaknesses[].description[].value
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CWE-404, CWE-476
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*"
            ],
            "modules": [
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        "type": "Secondary"
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  }
}

—

Exploitation

exploitation

NVD

poc

A public proof of concept exists, or exploitation is trivial.

receipt

Source: NVD
Its words: poc
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].exploitation
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	poc
2026-09-29 09:45 UTC	—

What the source handed over

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}

—

Product

product

NVD

Binutils

receipt

Source: NVD
Its words: Binutils
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	Binutils
2026-09-29 09:45 UTC	—

What the source handed over

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      },
      {
        "source": "cna@vuldb.com",
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        ],
        "url": "https://vuldb.com/cve/CVE-2026-91781"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
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      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/vuln/404052"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Permissions Required"
        ],
        "url": "https://vuldb.com/vuln/404052/cti"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Product"
        ],
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      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
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          {
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          },
          {
            "lang": "en",
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          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Severity

severity

NVD

LOW

From 0.1 to 3.9.

receipt

Source: NVD
Its words: LOW
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseSeverity || field:cve.metrics.cvssMetricV31[].cvssData.baseSeverity
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	LOW
2026-09-29 09:45 UTC	—

What the source handed over

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      {
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            "modifiedPrivilegesRequired": "NOT_DEFINED",
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      },
      {
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          "Third Party Advisory"
        ],
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      },
      {
        "source": "cna@vuldb.com",
        "tags": [
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        ],
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      },
      {
        "source": "cna@vuldb.com",
        "tags": [
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      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Permissions Required"
        ],
        "url": "https://vuldb.com/vuln/404052/cti"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Product"
        ],
        "url": "https://www.gnu.org/"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-404"
          },
          {
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            "value": "CWE-476"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}

low

Status

status

NVD

Analyzed

receipt

Source: NVD
Its words: Analyzed
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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  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
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    ],
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    "lastModified": "2026-09-16T15:28:36.267",
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          "obtainAllPrivilege": false,
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            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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        "tags": [
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        ],
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      },
      {
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      },
      {
        "source": "cna@vuldb.com",
        "tags": [
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        ],
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      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Product"
        ],
        "url": "https://www.gnu.org/"
      }
    ],
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    "vulnStatus": "Analyzed",
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          }
        ],
        "source": "cna@vuldb.com",
        "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 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	partial
2026-09-29 09:45 UTC	—

What the source handed over

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      {
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          {
            "cpes": [
              "cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*"
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            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
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            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-91781",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-15T13:39:03.939059Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-15T09:16:45.153",
    "references": [
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Exploit",
          "Third Party Advisory"
        ],
        "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34449"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/cve/CVE-2026-91781"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/submit/933336"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/vuln/404052"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Permissions Required"
        ],
        "url": "https://vuldb.com/vuln/404052/cti"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Product"
        ],
        "url": "https://www.gnu.org/"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-404"
          },
          {
            "lang": "en",
            "value": "CWE-476"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Vendor

vendor

NVD

GNU

receipt

Source: NVD
Its words: GNU
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	GNU
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "cpes": [
              "cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*"
            ],
            "modules": [
              "ELF Section Handler"
            ],
            "product": "Binutils",
            "vendor": "GNU",
            "versions": [
              {
                "status": "affected",
                "version": "2.47"
              },
              {
                "status": "unaffected",
                "version": "2.48"
              }
            ]
          }
        ],
        "source": "cna@vuldb.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:gnu:binutils:2.47:*:*:*:*:*:*:*",
                "matchCriteriaId": "9F37BAFE-B2F1-4F71-836A-D14F19EB63BE",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component."
      }
    ],
    "id": "CVE-2026-91781",
    "lastModified": "2026-09-16T15:28:36.267",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "LOW",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 1.7,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.1,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "cna@vuldb.com",
          "type": "Secondary",
          "userInteractionRequired": false
        }
      ],
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "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:L",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 1.4,
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "cvssMetricV40": [
        {
          "cvssData": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "availabilityRequirement": "NOT_DEFINED",
            "baseScore": 1.9,
            "baseSeverity": "LOW",
            "confidentialityRequirement": "NOT_DEFINED",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "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": "LOW",
            "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:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "source": "cna@vuldb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-91781",
            "options": [
              {
                "exploitation": "poc"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-15T13:39:03.939059Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-15T09:16:45.153",
    "references": [
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Exploit",
          "Third Party Advisory"
        ],
        "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34449"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/cve/CVE-2026-91781"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/submit/933336"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Third Party Advisory"
        ],
        "url": "https://vuldb.com/vuln/404052"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Permissions Required"
        ],
        "url": "https://vuldb.com/vuln/404052/cti"
      },
      {
        "source": "cna@vuldb.com",
        "tags": [
          "Product"
        ],
        "url": "https://www.gnu.org/"
      }
    ],
    "sourceIdentifier": "cna@vuldb.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-404"
          },
          {
            "lang": "en",
            "value": "CWE-476"
          }
        ],
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Every claim, by kind

vulnerability

zetlyn/cve-nvd · 2026-09-15

automatable no cvss 3.3 cvss4 1.9 cvss4_vector CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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:L cwe CWE-404, CWE-476 exploitation poc product Binutils severity LOW status Analyzed technical_impact partial vendor GNU

source