What is CVE-2025-54485?

CVE-2025-54485 is a critical-severity vulnerability in Libbiosig_project Libbiosig, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-08-25.

How severe is CVE-2025-54485?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Libbiosig_project Libbiosig

CVE-2025-54485

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 pr…

Vulnerability class: Buffer Overflow

EPSS: 0.006 (45.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Libbiosig_project Libbiosig
The Biosig Project Libbiosig — versions 3.9.0, Master Branch (35a819fa)

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

talos-cna@cisco.com (Exploit, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-54485?: CVE-2025-54485 is a critical-severity vulnerability in Libbiosig_project Libbiosig, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-08-25.
How severe is CVE-2025-54485?: Critical severity. CVSS v3 base score is 9.8 out of 10.