Log in Start free

Vulnerability · Published Sep 15, 2026 · Assigned by VulDB

CVE-2026-91780GNU Binutils elflink.c elf_link_add_object_symbols null pointer dereference

Low 3.3

In plain English

A low-severity null pointer dereference in Binutils from GNU. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 93.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12binutilsno fix listedDEBIAN-CVE-2026-91780
Debian:13binutilsno fix listedDEBIAN-CVE-2026-91780
Debian:14binutilsno fix listedDEBIAN-CVE-2026-91780
Ubuntu:22.04:LTSbinutilsno fix listedUBUNTU-CVE-2026-91780
Ubuntu:24.04:LTSbinutilsno fix listedUBUNTU-CVE-2026-91780
Ubuntu:26.04:LTSbinutilsno fix listedUBUNTU-CVE-2026-91780
Ubuntu:26.10binutilsno fix listedUBUNTU-CVE-2026-91780

Affected products (as reported)

VendorProductVersions
GNU Binutils 2.47

Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

References