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
Published: 2025-12-11
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 17 Dec 2025 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Libbiosig Project
Libbiosig Project libbiosig
Weaknesses CWE-787
CPEs cpe:2.3:a:libbiosig_project:libbiosig:*:*:*:*:*:*:*:*
Vendors & Products Libbiosig Project
Libbiosig Project libbiosig

Thu, 11 Dec 2025 21:45:00 +0000

Type Values Removed Values Added
First Time appeared The Biosig Project
The Biosig Project libbiosig
Vendors & Products The Biosig Project
The Biosig Project libbiosig

Thu, 11 Dec 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 11 Dec 2025 17:00:00 +0000

Type Values Removed Values Added
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
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Libbiosig Project Libbiosig
The Biosig Project Libbiosig
cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published:

Updated: 2025-12-11T19:36:50.245Z

Reserved: 2025-11-21T10:23:41.664Z

Link: CVE-2025-66043

cve-icon Vulnrichment

Updated: 2025-12-11T19:20:42.980Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-11T17:15:58.233

Modified: 2025-12-17T20:24:31.347

Link: CVE-2025-66043

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-11T21:37:51Z

Weaknesses