SB2026020362 - Heap-based buffer overflow in GNU Binutils
Published: February 3, 2026
Security Bulletin ID
SB2026020362
Severity
High
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2025-66862)
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 not aware of any official remediation provided by the vendor.