CVE-2025-54493: 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 9184 of biosig.c on the current master branch (35a819fa), when the Tag is 131: else if (tag==131) //0x83 { // Patient Age if (len!=7) fprintf(stderr,"Warning MFER tag131 incorrect length %i!=7\n",len); curPos += ifread(buf,1,len,hdr);
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-54493?
CVE-2025-54493 has a high severity rating due to its potential for arbitrary code execution.
How do I fix CVE-2025-54493?
To fix CVE-2025-54493, update to the latest version of The Biosig Project libbiosig that addresses this vulnerability.
What types of attacks can exploit CVE-2025-54493?
CVE-2025-54493 can be exploited through specially crafted MFER files that trigger the stack-based buffer overflow.
Which versions of libbiosig are affected by CVE-2025-54493?
CVE-2025-54493 affects libbiosig version 3.9.0 and versions in the Master Branch up to commit 35a819fa.
Can CVE-2025-54493 lead to data breaches?
Yes, CVE-2025-54493 can potentially lead to data breaches through arbitrary code execution by an attacker.