CVE-2025-54484: 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 8779 of biosig.c on the current master branch (35a819fa), when the Tag is 6: else if (tag==6) // 0x06 "number of sequences" { // NRec if (len>4) fprintf(stderr,"Warning MFER tag6 incorrect length %i>4\n",len); curPos += ifread(buf,1,len,hdr);
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-54484?
CVE-2025-54484 is classified as a critical vulnerability due to its potential to allow arbitrary code execution.
How do I fix CVE-2025-54484?
To fix CVE-2025-54484, update The Biosig Project libbiosig to the latest version that addresses this vulnerability.
What causes CVE-2025-54484?
CVE-2025-54484 is caused by a stack-based buffer overflow in the MFER parsing functionality of libbiosig.
Who is affected by CVE-2025-54484?
Users of The Biosig Project libbiosig version 3.9.0 and the Master Branch are affected by CVE-2025-54484.
What can an attacker do with CVE-2025-54484?
An attacker can execute arbitrary code on the affected system by providing a specially crafted MFER file.