---
id: CVE-2026-90803
title: A security vulnerability has been detected in GNU Binutils 2.47
summary: >-
  A security vulnerability has been detected in GNU Binutils 2.47. Affected by
  this vulnerability is the function elf_x86_64_relocate_section of the file
  bfd/elf64-x86-64.c of the component ld. Such manipulation of the argument roff
  leads …
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-119
  - CWE-120
  - CWE-805
vendor: gnu
product: binutils
affected:
  - binutils = 2.47
published: '2026-09-14'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T14:41:59.927'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90803'
references:
  - url: >-
      https://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20readwrite%20and%20SEGV%20in%20%60elf_x86_64_relocate_section%60%20(bfdelf64-x86-64.c4530%20%204835)%20via%20malformed%20relocation.md
    label: cna@vuldb.com
  - url: 'https://sourceware.org/bugzilla/show_bug.cgi?id=34444'
    label: cna@vuldb.com
  - url: >-
      https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=471130b39c03623ec6d78ece377ff4da3f6bfe7b
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-90803'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/920280'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403305'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403305/cti'
    label: cna@vuldb.com
  - url: 'https://www.gnu.org/'
    label: cna@vuldb.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90803.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-90803'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2533196'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-90803'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90803'
  - url: 'https://access.redhat.com/errata/RHSA-2026:47171'
tags:
  - nvd
  - cve.org
  - exploit-available
  - csaf
  - vex
  - red-hat
epss: 0.00201
epssPercentile: 0.08789
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-14T17:15:30.626737Z'
scores:
  nvd: 5.3
  vendor: 6.6
ingestedAt: '2026-09-14T18:12:17.164Z'
patched:
  - hardened_images
---

## Overview

A security vulnerability has been detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_64_relocate_section of the file bfd/elf64-x86-64.c of the component ld. Such manipulation of the argument roff leads to buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 addresses this issue. The name of the patch is 471130b39c03623ec6d78ece377ff4da3f6bfe7b. It is recommended to upgrade the affected component.

## Affected

- `binutils = 2.47`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-09-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90803.json)
- **RHSA-2026:47171** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-07-28 · [advisory](https://access.redhat.com/errata/RHSA-2026:47171)