CVE-2025-66861

Name: CVE-2025-66861
Creator: NVD / NIST
Published: 2025-12-29T17:15:45.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.5/10EPSS 0.12%

Last modified Jun 17, 2026

CVE-2025-66861 is a low-severity vulnerability rated 2.5/10 on the CVSS scale. 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.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

2.5/10

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

EPSS Probability

0.12%

2.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Gnu	Binutils	2.26

References

https://github.com/caozhzh/CRGF-Vul/blob/main/cxxfilt/crash1.mdExploit, Third Party Advisory
https://github.com/caozhzh/CRGF-Vul/blob/main/cxxfilt/crash1.mdExploit, Third Party Advisory

Timeline

Published: Dec 29, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-66861?

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.

How severe is CVE-2025-66861?

CVE-2025-66861 has a CVSS score of 2.5/10 (LOW severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66861?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66861?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST