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CVE-2026-91780

GNU Binutils elflink.c elf_link_add_object_symbols null pointer dereference

LOW
3.3
CVSS Score
Published: September 15, 2026 at 08:30 AM UTC
Updated: September 16, 2026 at 03:47 PM UTC
1 product affected across 1 vendorBinutils

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Severity
LOW3.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/404051
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/404051/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-91780
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/933334
Issue TrackingThird Party Advisory
Source: cverecord
https://sourceware.org/bugzilla/show_bug.cgi?id=34447
ExploitThird Party Advisory
Source: cverecord
https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34447
Broken LinkProduct
Source: cverecord
https://www.gnu.org/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.3LOWVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476CWE-404

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