CVE-2025-54491_CVE-2025-54491

9.8 / 10

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 9191 of biosig.c on the current master branch (35a819fa), when the Tag is 65:

else if (tag==65) //0x41: patient event
{
// event table

curPos += ifread(buf,1,len,hdr);

Basic Information

ID CVE-2025-54491

Source talos

Published Aug 25, 2025 at 13:53

Affected Product

Vendor The Biosig Project

Product libbiosig

Version 3.9.0

Affected Versions The Biosig Project libbiosig 3.9.0
The Biosig Project libbiosig Master Branch (35a819fa)

CWE Classification

CWE-121

References

talosintelligence.com /vulnerability_reports/TALOS-2025-2234

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    "published": "2025-08-25T13:53:46.586Z",
    "modified": "2025-08-25T13:53:46.586Z",
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