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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00104.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Libbiosig Project
  • Libbiosig
The Biosig Project
  • Libbiosig

Configuration 1 [-]

cpe:2.3:a:libbiosig_project:libbiosig:3.9.0:*:*:*:*:*:*:*

No data.

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Vendors Products
The Biosig Project
  • Libbiosig
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2237 cve-icon cve-icon
History

Tue, 26 Aug 2025 21:45:00 +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 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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published:

Updated: 2025-08-26T20:10:55.789Z

Reserved: 2025-07-23T14:46:30.441Z

Link: CVE-2025-53511

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2025-08-25T14:15:32.233

Modified: 2025-08-26T21:39:42.000

Link: CVE-2025-53511

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-08-25T21:53:04Z