Vulnerability Description
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.This vulnerability manifests on line 9205 of biosig.c on the current master branch (35a819fa), when the Tag is 133: else if (tag==133) //0x85 { curPos += ifread(buf,1,len,hdr);
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libbiosig Project | Libbiosig | < 3.9.1 |
Related Weaknesses (CWE)
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2025-2234ExploitThird Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2234
FAQ
What is CVE-2025-54494?
CVE-2025-54494 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 arbit...
How severe is CVE-2025-54494?
CVE-2025-54494 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-54494?
Check the references section above for vendor advisories and patch information. Affected products include: Libbiosig Project Libbiosig.