CVE catalog

CVE-2026-91782

A vulnerability was detected in GNU Binutils 2.47…

A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allocate_dynrelocs of the file bfd/elfxx-x86.c of the component Dynamic Relocation Allocation. The manipulation results in null pointer dereference. The attack requires a local approach. The exploit is now public and may be used. Upgrading to version 2.48 addresses this issue. The patch is identified as d1268210b6f6/471130b39c0/283d3198bed/0a84e560216/a692a633d40. Upgrading the affected component is recommended.

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: Sep 15, 2026, 9:00:14 AM UTC
Updated: Sep 15, 2026, 9:16:45 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.18% · Oct 27, 2026

Projects and upstream resources

[binutils][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence

Original provider fields

{
  "package_releases": [
    {
      "name": "binutils",
      "status": "vulnerable",
      "release": "sid",
      "version": "2.47.50.20261021-1"
    },
    {
      "name": "binutils",
      "status": "vulnerable",
      "release": "forky",
      "version": "2.47.50.20261021-1"
    },
    {
      "name": "binutils",
      "status": "vulnerable",
      "release": "trixie",
      "version": "2.44-3"
    },
    {
      "name": "binutils",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "2.40-2"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "binutils",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": null,
      "name": "binutils",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": null,
      "name": "binutils",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": null,
      "name": "binutils",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "binutils",
      "ranges": [],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-91782"
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[binutils]Unknown
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-aarch64-linux-gnu]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-aarch64-linux-gnu-dbg]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-alpha-linux-gnu]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-alpha-linux-gnu-dbg]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-arc-linux-gnu]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-arc-linux-gnu-dbg]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-arm-linux-gnueabi]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-arm-linux-gnueabi-dbg]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-arm-linux-gnueabihf]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-arm-linux-gnueabihf-dbg]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-common]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-dev]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-doc]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · all · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · all · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-for-build]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · all · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · all · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-for-host]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-hppa64-linux-gnu]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-hppa64-linux-gnu-dbg]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-hppa-linux-gnu]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12
[binutils-hppa-linux-gnu-dbg]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  nvd · binutils · debian · bookworm; nvd · binutils · debian · 12

Next results

Observed: Oct 23, 2026, 9:11:39 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]