CVE-2025-54485
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-08-25
Last updated on: 2025-11-03
Assigner: Talos
Description
Description
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 8785 of biosig.c on the current master branch (35a819fa), when the Tag is 8:
else if (tag==8) {
if (len>2) fprintf(stderr,"Warning MFER tag8 incorrect length %i>2\n",len);
curPos += ifread(buf,1,len,hdr);
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| libbiosig_project | libbiosig | to 3.9.1 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
