CVE-2025-66043
9.8
CRITICAL
CVSS 3.1
EPSS 0.15%
Description
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 3
How to fix CVE-2025-66043
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/biosig—no fix listed
Is CVE-2025-66043 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |