CVE-2025-54483: 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 8759 of biosig.c on the current master branch (35a819fa), when the Tag is 5: else if (tag==5) //0x05: number of channels { uint16t oldNS=hdr->NS; if (len>4) fprintf(stderr,"Warning MFER tag5 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-2025-54483?
CVE-2025-54483 is classified as a critical severity vulnerability due to the potential for arbitrary code execution.
How do I fix CVE-2025-54483?
To fix CVE-2025-54483, update the Biosig Project libbiosig to a version that addresses this vulnerability.
What causes the CVE-2025-54483 vulnerability?
CVE-2025-54483 is caused by a stack-based buffer overflow in the MFER parsing functionality within libbiosig.
Who is affected by CVE-2025-54483?
Users of The Biosig Project libbiosig version 3.9.0 and the master branch are affected by CVE-2025-54483.
Can CVE-2025-54483 be exploited remotely?
Yes, CVE-2025-54483 can be exploited remotely if an attacker provides a specially crafted MFER file.