#VU122266 Heap-based buffer overflow in Binutils - CVE-2025-66862
Published: February 3, 2026
Vulnerability identifier: #VU122266
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-66862
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Binutils
Binutils
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the gnu_special() function in file cplus-dem.c. A remote attacker can pass specially crafted PE file to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.