Out-of-bounds Read in Libbiosig Project
CVE-2025-52461
An out-of-bounds read vulnerability exists in the Nex parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted .nex file can lead to an information leak. An attacker can provide a malicious file to trigger this vulnerability.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (40.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.
Affected products
- Libbiosig_project Libbiosig — versions 3.9.0
- The Biosig Project Libbiosig — versions 3.9.0, Master Branch (35a819fa)
Weakness classification (CWE)
References
- talos-cna@cisco.com (Exploit, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2025-52461?
- CVE-2025-52461 is a high-severity vulnerability in Libbiosig Project, classified under Out-of-bounds Read. CVSS score: 8.2/10. Published 2025-08-25.
- How severe is CVE-2025-52461?
- High severity. CVSS v3 base score is 8.2 out of 10.