cvedb.io
CVE-2025-54484
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2025-08-25T14:15:34.280 · Last modified 2026-06-17T09:40:11.260

Summary

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);

Affected products

libbiosig_project — libbiosig

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.