CVE-2025-66043

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 3

• CWE-121
• CWE-787

• https://talosintelligence.com/vulnerability_reports/TALOS-2025-2296Exploit, Third Party Advisory
• https://talosintelligence.com/vulnerability_reports/TALOS-2025-2296Exploit, Third Party Advisory

Published

Dec 11, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

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