CVE-2025-66866

Published: Dec 29, 2025Updated: Jan 14, 2026 Sources: CVE List NVDNVD-CWE-noinfo

NVD MITRE

7.5CVSSHIGH

EPSS Score

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.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

NVD-CWE-noinfo CWE-20

Affected Products

binutils gnu OSS Libraries

n/a n/a

gnuoss-projectUSOSS Librariesaka g. nu

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique

Initial Access

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References

https://github.com/caozhzh/CRGF-Vul/blob/main/cxxfilt/crash6.md

github.com

Timeline

Published

Dec 29, 2025

Last Updated

Jan 14, 2026

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