Vulnerability Details CVE-2025-54494
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);
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 28.8%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2025-54494
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cpe:2.3:a:libbiosig_project:libbiosig:*