---
id: CVE-2026-90830
title: A security vulnerability has been detected in GNU Binutils 2.47
summary: >-
  A security vulnerability has been detected in GNU Binutils 2.47. Impacted is
  the function _bfd_write_merged_section of the file bfd/merge.c of the
  component Section Merge. The manipulation leads to null pointer dereference.
  The attack ne…
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-404
  - CWE-476
vendor: gnu
product: binutils
affected:
  - binutils = 2.47
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T15:28:03.553'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90830'
references:
  - url: 'https://sourceware.org/bugzilla/attachment.cgi?id=16884'
    label: cna@vuldb.com
  - url: 'https://sourceware.org/bugzilla/show_bug.cgi?id=34452'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-90830'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/925229'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403332'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403332/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-2026-90830.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-90830'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2533539'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-90830'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90830'
  - url: 'https://access.redhat.com/errata/RHSA-2026:47171'
tags:
  - nvd
  - cve.org
  - exploit-available
  - csaf
  - vex
  - red-hat
epss: 0.00158
epssPercentile: 0.05339
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T19:10:51.266938Z'
scores:
  nvd: 5.3
  vendor: 5.5
ingestedAt: '2026-09-14T23:17:06.516Z'
patched:
  - hardened_images
---

## Overview

A security vulnerability has been detected in GNU Binutils 2.47. Impacted is the function _bfd_write_merged_section of the file bfd/merge.c of the component Section Merge. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. 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.

## 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-2026-90830.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)