CVE-2025-66862

HIGH

BinUtils 2.26 - Heap-based Buffer Overflow in gnu_special Function via Crafted PE File

Title source: llm

Description

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.

References (1)

Core 1

Core References

Exploit, Third Party Advisory

https://github.com/caozhzh/CRGF-Vul/blob/main/cxxfilt/crash3.md

View Exploit ZIP pw:eip

Scores

CVSS v3 7.5

EPSS 0.0032

EPSS Percentile 23.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-122

Status published

Products (1)

gnu/binutils 2.26

Published Dec 29, 2025

Tracked Since Feb 18, 2026