CVE-2025-54491 is a critical stack-based buffer overflow vulnerability affecting The Biosig Project libbiosig versions 3.9.0 and the Master Branch (35a819fa). This flaw, located in the MFER parsing functionality, specifically on line 9191 of biosig.c, allows an unauthenticated attacker to achieve arbitrary code execution by providing a specially crafted MFER file. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.9.1CPE matchmatch criteria | cpe:2.3:a:libbiosig_project:libbiosig:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.