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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.

PUBLISHED Reserved 2025-07-23 | Published 2025-08-25 | Updated 2025-08-25 | Assigner talos




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

Problem types

CWE-122: Heap-based Buffer Overflow

Product status

3.9.0
affected

Master Branch (35a819fa)
affected

Credits

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

References

talosintelligence.com/vulnerability_reports/TALOS-2025-2235

cve.org (CVE-2025-53557)

nvd.nist.gov (CVE-2025-53557)

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