Out-of-bounds Read in Libbiosig Project
CVE-2025-64736
An out-of-bounds read vulnerability exists in the ABF parsing functionality of The Biosig Project libbiosig 3.9.2 and Master Branch (5462afb0). A specially crafted .abf file can lead to an information leak. An attacker can provide a malicious file to trigger this vulnerability.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (8.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L.
Affected products
- Libbiosig_project Libbiosig — versions 3.9.2
- The Biosig Project Libbiosig — versions 3.9.2, Master Branch (5462afb0)
Weakness classification (CWE)
References
- talos-cna@cisco.com (Exploit, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-64736?
- CVE-2025-64736 is a medium-severity vulnerability in Libbiosig Project, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-03-03.
- How severe is CVE-2025-64736?
- Medium severity. CVSS v3 base score is 6.1 out of 10.