CVE-2025-66866

HIGH

BinUtils <2.26 - DoS

Title source: llm

Description

An issue was discovered in function d_abi_tags in file cp-demangle.c in BinUtils 2.26 allows attackers to cause a denial of service via crafted PE file.

Exploits (1)

nomisec WORKING POC

by hacker1337itme · poc

https://github.com/hacker1337itme/CVE-2025-66866

View Code ZIP pw:eip

References (1)

[Exploit, Third Party Advisory] https://github.com/caozhzh/CRGF-Vul/blob/main/cxxfilt/crash6.md

View Exploit ZIP pw:eip

Scores

CVSS v3 7.5

EPSS 0.0002

EPSS Percentile 3.6%

Attack Vector NETWORK

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

Details

CWE

CWE-20

Status published

Products (1)

gnu/binutils 2.26

Published Dec 29, 2025

Tracked Since Feb 18, 2026