CVE-2025-54486
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 0.7%
exploitation probability
0.7%top 51% of all CVEs
observed exploitation
nono source reports it
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 8824 of biosig.c on the current master branch (35a819fa), when the Tag is 11:
else if (tag==11) //0x0B
{
// Fs
if (len>6) fprintf(stderr,"Warning MFER tag11 incorrect length %i>6\n",len);
double fval;
curPos += ifread(buf,1,len,hdr);
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
The Biosig Project · libbiosig