CVE-2025-66044
CRITICALThe Biosig Project libbiosig <3.9.1 - Buffer Overflow
Title source: llmDescription
Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.1. A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger these vulnerabilities.When Tag is 64
References (1)
Core 1
Core References
Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2296
Scores
CVSS v3
9.8
EPSS
0.0046
EPSS Percentile
36.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-121
CWE-787
Status
published
Products (1)
libbiosig_project/libbiosig
< 3.9.2
Published
Dec 11, 2025
Tracked Since
Feb 18, 2026