CVE-2025-54486: Buffer Overflow
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);
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-54486?
CVE-2025-54486 is classified as a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2025-54486?
To fix CVE-2025-54486, update to the latest version of The Biosig Project libbiosig where the vulnerability has been addressed.
What types of attacks can exploit CVE-2025-54486?
CVE-2025-54486 can be exploited via specially crafted MFER files that trigger a stack-based buffer overflow.
What systems are affected by CVE-2025-54486?
CVE-2025-54486 affects version 3.9.0 and the Master Branch of The Biosig Project libbiosig.
Who can be affected by CVE-2025-54486?
Users of The Biosig Project libbiosig are at risk if they process MFER files without applying the necessary security updates.