CVE-2025-66045 - CVE House
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Status published Critical CVE-2025-66045

Several stack-based buffer overflow vulnerabilities exists in the MFER parsing...

Vulnerability Description

Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.1. A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger these vulnerabilities.When Tag is 65

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Discovered by Mark Bereza and Lilith >_> of Cisco Talos.

Affected Vendor

The Biosig Project

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Affected Software

libbiosig
Vulnerable Versions:
3.9.1

Timeline

Official Publish: December 11th, 2025
Last Modified: December 11th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)