NULL pointer dereference in GNU Binutils

CVE-2026-91782

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.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-91782?
CVE-2026-91782 is a low-severity vulnerability in GNU Binutils, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2026-09-15.
How severe is CVE-2026-91782?
Low severity. CVSS v3 base score is 3.3 out of 10.