CVE-2025-66043

critical

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

References

https://blog.talosintelligence.com/libbiosig-grassroot-dicom-smallstep-step-ca-vulnerabilities/

https://talosintelligence.com/vulnerability_reports/TALOS-2025-2296

Details

Source: Mitre, NVD

Published: 2025-12-11

Updated: 2025-12-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00078