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 9184 of biosig.c on the current master branch (35a819fa), when the Tag is 131:
else if (tag==131) //0x83
{
// Patient Age
if (len!=7) fprintf(stderr,"Warning MFER tag131 incorrect length %i!=7\n",len);
curPos += ifread(buf,1,len,hdr);
References
| Link | Resource |
|---|---|
| https://talosintelligence.com/vulnerability_reports/TALOS-2025-2234 | Exploit Third Party Advisory |
Configurations
History
02 Sep 2025, 16:42
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:libbiosig_project:libbiosig:*:*:*:*:*:*:*:* | |
| First Time |
Libbiosig Project
Libbiosig Project libbiosig |
|
| References | () https://talosintelligence.com/vulnerability_reports/TALOS-2025-2234 - Exploit, Third Party Advisory | |
| Summary |
|
25 Aug 2025, 14:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-08-25 14:15
Updated : 2025-09-02 16:42
NVD link : CVE-2025-54493
Mitre link : CVE-2025-54493
CVE.ORG link : CVE-2025-54493
JSON object : View
Products Affected
libbiosig_project
- libbiosig
CWE
CWE-121
Stack-based Buffer Overflow