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Vulnerability · Published Sep 15, 2026 · Assigned by VulDB

CVE-2026-91782GNU Binutils Dynamic Relocation Allocation elfxx-x86.c elf_x86_allocate_dynrelocs 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 7% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 92.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allocate_dynrelocs of the file bfd/elfxx-x86.c of the component Dynamic Relocation Allocation. The manipulation results in null pointer dereference. The attack requires a local approach. The exploit is now public and may be used. Upgrading to version 2.48 addresses this issue. The patch is identified as d1268210b6f6/471130b39c0/283d3198bed/0a84e560216/a692a633d40. Upgrading the affected component is recommended.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12binutilsno fix listedDEBIAN-CVE-2026-91782
Debian:13binutilsno fix listedDEBIAN-CVE-2026-91782
Debian:14binutilsno fix listedDEBIAN-CVE-2026-91782
Ubuntu:22.04:LTSbinutilsno fix listedUBUNTU-CVE-2026-91782
Ubuntu:24.04:LTSbinutilsno fix listedUBUNTU-CVE-2026-91782
Ubuntu:26.04:LTSbinutilsno fix listedUBUNTU-CVE-2026-91782
Ubuntu:26.10binutilsno fix listedUBUNTU-CVE-2026-91782

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:O/RC:C

References