PT-2025-53762 · Binutils+1 · Binutils+1

Caozhzh · Published 2025-12-29 · Updated 2026-04-20 · CVE-2025-66866

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions BinUtils version 2.26

Description An issue exists in the d abi tags function within the cp-demangle.c file. This can lead to a denial of service when processing specially crafted PE files.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting the processing of untrusted PE files.

Exploit

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2025-66866

ECHO-ACE7-C390-7813

RHSA-2026:7098

Affected Products

Binutils

Debian

References · 13

• 🔥 https://github.com/caozhzh/CRGF-Vul/blob/main/cxxfilt/crash6.md · Exploit
• https://cve.org/CVERecord?id=CVE-2025-66866 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-66866 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-66866 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-66866 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2025-66866 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-66866 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-66866 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-66866 · Vendor Advisory
• https://t.me/CVEtracker/40853 · Telegram Post
• https://twitter.com/CVEnew/status/2005682624845504573 · Twitter Post
• https://twitter.com/DavidMarquet19/status/2015696314445541693 · Twitter Post
• https://t.me/cveNotify/147574 · Telegram Post