CVE-2025-66048 CRITICAL

CVE-2025-66048

Vendor The Biosig Project
Product libbiosig
Weakness CWE-121
Published December 11, 2025
Last update December 11, 2025
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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 133

Key dates

02Disclosure timeline

December 11, 2025 CVE published
December 11, 2025 Record updated