9.8

CVE-2025-54484

Exploit
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 8779 of biosig.c on the current master branch (35a819fa), when the Tag is 6:

				else if (tag==6) 	// 0x06 "number of sequences"
				{
					// NRec
					if (len>4) fprintf(stderr,"Warning MFER tag6 incorrect length %i>4\n",len);
					curPos += ifread(buf,1,len,hdr);
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Libbiosig Project ≫ Libbiosig Version < 3.9.1
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.19% 0.41
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
talos-cna@cisco.com 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-121 Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).