CVE-2025-66862: GNU Binutils

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A buffer overflow vulnerability in function gnu_special in file cplus-dem.c in BinUtils 2.26 allows attackers to cause a denial of service via crafted PE file.

Affected products

• GNU Binutils: version 2.26 only

Published 2025-12-29. Last modified 2026-10-07.