---
id: CVE-2026-91780
title: A weakness has been identified in GNU Binutils 2.47
summary: >-
  A weakness has been identified in GNU Binutils 2.47. This impacts the function
  elf_link_add_object_symbols of the file bfd/elflink.c. Executing a
  manipulation can lead to null pointer dereference. The attack needs to be
  launched locally.…
severity: low
cvss: 3.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-404
  - CWE-476
vendor: gnu
product: binutils
affected:
  - binutils = 2.47
published: '2026-09-15'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T15:28:30.983'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-91780'
references:
  - url: 'https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34447'
    label: cna@vuldb.com
  - url: 'https://sourceware.org/bugzilla/show_bug.cgi?id=34447'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-91780'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/933334'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/404051'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/404051/cti'
    label: cna@vuldb.com
  - url: 'https://www.gnu.org/'
    label: cna@vuldb.com
  - url: 'https://sourceware.org/bugzilla/show_bug.cgi?id=34447'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: 'https://vuldb.com/submit/933334'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.0017
epssPercentile: 0.05509
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T13:57:47.282506Z'
ingestedAt: '2026-09-15T09:34:49.385Z'
---

## Overview

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

## Affected

- `binutils = 2.47`

## Remediation

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