critical9.8
CVE-2025-54491
A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa).
Impact
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);
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Libbiosig Project | Libbiosig | before 3.9.1 |