CVE-2025-53557

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A heap-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122

Affected software

Vendor	Product	Versions
The Biosig Project	libbiosig	3.9.0; Master Branch (35a819fa)

References

https://talosintelligence.com/vulnerability_reports/TALOS-2025-2235Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2235

Timeline

Published: Aug 25, 2025
Last modified: Jun 17, 2026
NVD status: Modified

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