CVE-2025-66861

LOW
Published Dec 29, 2025 Modified Jan 14, 2026 CWE-400

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.

CVSS v3.1 Score

2.5
LOW
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

Affected Products

Vendor Product
gnu binutils

References

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. It has a CVSS v3.1 base score of 2.5 (LOW).
How severe is CVE-2025-66861? +
CVE-2025-66861 has a CVSS v3.1 score of 2.5 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.
What products are affected by CVE-2025-66861? +
CVE-2025-66861 affects products from gnu, specifically: binutils. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-66861? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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