CVE-2025-66047

Critical · 9.8

CVSS

9.8

EPSS

0.5%

Published

Dec 11, 2025

CISA due date

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The record

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 131

Affected packages

Ecosystem	Package	Introduced	Fixed