CVE-2025-54491: 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 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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-54491?
CVE-2025-54491 is classified as a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2025-54491?
To mitigate CVE-2025-54491, update The Biosig Project libbiosig to the latest version that addresses the vulnerability.
What software is affected by CVE-2025-54491?
CVE-2025-54491 affects The Biosig Project libbiosig version 3.9.0 and the Master Branch version 35a819fa.
What type of vulnerability is CVE-2025-54491?
CVE-2025-54491 is a stack-based buffer overflow vulnerability that can be triggered by specially crafted MFER files.
What can happen if CVE-2025-54491 is exploited?
If exploited, CVE-2025-54491 can lead to arbitrary code execution, allowing attackers to run malicious code on the vulnerable system.