CVE-2025-54491
BaseFortify
Publication date: 2025-08-25
Last updated on: 2025-11-03
Assigner: Talos
Description
Description
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 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). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a stack-based buffer overflow in the MFER parsing functionality of The Biosig Project libbiosig version 3.9.0 and its master branch. It occurs when processing a specially crafted MFER file, specifically when the Tag value is 65 (0x41), which relates to patient event data. The overflow happens in the biosig.c file at line 9191, allowing an attacker to execute arbitrary code by providing a malicious MFER file.
How can this vulnerability impact me? :
This vulnerability can lead to arbitrary code execution on the affected system without requiring any privileges or user interaction. An attacker can exploit this by supplying a malicious MFER file, potentially gaining full control over the system, leading to data compromise, system disruption, or further attacks.