CVE-2025-66861 Affecting binutils package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-BINUTILS-14723742
  • published30 Dec 2025
  • disclosed29 Dec 2025

Introduced: 29 Dec 2025

CVE-2025-66861  (opens in a new tab)

How to fix?

There is no fixed version for Debian:unstable binutils.

NVD Description

Note: Versions mentioned in the description apply only to the upstream binutils package and not the binutils package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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

CVSS Base Scores

version 3.1