Description
A heap-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Published: 2025-08-25
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
Source ID Title
EUVD EUVD EUVD-2025-25684 A heap-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
History

Mon, 03 Nov 2025 19:30:00 +0000


Wed, 27 Aug 2025 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Libbiosig Project
Libbiosig Project libbiosig
CPEs cpe:2.3:a:libbiosig_project:libbiosig:3.9.0:*:*:*:*:*:*:*
Vendors & Products Libbiosig Project
Libbiosig Project libbiosig

Mon, 25 Aug 2025 22:15:00 +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

Mon, 25 Aug 2025 21:45:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 25 Aug 2025 14:00:00 +0000

Type Values Removed Values Added
Description A heap-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Weaknesses CWE-122
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: 2025-11-03T18:13:15.912Z

Reserved: 2025-07-23T14:46:06.628Z

Link: CVE-2025-53557

cve-icon Vulnrichment

Updated: 2025-08-25T18:40:00.963Z

cve-icon NVD

Status : Modified

Published: 2025-08-25T14:15:32.627

Modified: 2025-11-03T19:16:08.830

Link: CVE-2025-53557

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-08-25T21:53:09Z

Weaknesses