CVE-2025-54494: 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 9205 of biosig.c on the current master branch (35a819fa), when the Tag is 133: else if (tag==133) //0x85 { curPos += ifread(buf,1,len,hdr);
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-54494?
CVE-2025-54494 is a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2025-54494?
To fix CVE-2025-54494, upgrade to a patched version of The Biosig Project libbiosig that addresses this vulnerability.
What are the potential impacts of exploiting CVE-2025-54494?
Exploiting CVE-2025-54494 can lead to arbitrary code execution on affected systems.
Which versions of libbiosig are affected by CVE-2025-54494?
CVE-2025-54494 affects The Biosig Project libbiosig version 3.9.0 and the Master Branch at commit 35a819fa.
How can attackers exploit CVE-2025-54494?
Attackers can exploit CVE-2025-54494 by providing a specially crafted MFER file to trigger the stack-based buffer overflow.