CVE-2025-66864: An issue was discovered in function d_print_comp_inner in file cp-demangle.c in BinUtils 2.26 allows attackers to…

CVE-2025-66864 · Severity: high · CVSS 7.5 · Published 2025-12-29

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

Technologies: Gnu Binutils. Vendors: Gnu.

Quick answers

Is CVE-2025-66864 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-66864 being exploited in the wild.
How severe is CVE-2025-66864?
High severity, with a CVSS score of 7.5, published 29 December 2025.
Which products and versions are affected?
Gnu Binutils. The advisory does not name versions.
Is there a fix for CVE-2025-66864?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-66864?
Check whether you run Gnu Binutils. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Gnu Binutils

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