Buffer overflow in Libbiosig Project
CVE-2025-46411
A stack-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.
Vulnerability class: Buffer Overflow
EPSS: 0.007 (49.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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-2025-46411?
- CVE-2025-46411 is a high-severity vulnerability in Libbiosig Project, classified under Stack-based Buffer Overflow. CVSS score: 8.1/10. Published 2025-08-25.
- How severe is CVE-2025-46411?
- High severity. CVSS v3 base score is 8.1 out of 10.