CVE-2025-66046: Buffer Overflow

Published Dec 11, 2025
·
Updated

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 67

Affected Software

2 affected components
The Biosig Project libbiosig
Libbiosig Project Libbiosig<3.9.2

Event History

Dec 11, 2025
CVE Published
via MITRE·04:43 PM
Data Sourced
via MITRE·04:43 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-66046?

CVE-2025-66046 is classified as critical due to the potential for arbitrary code execution through stack-based buffer overflows.

2

How do I fix CVE-2025-66046?

To mitigate CVE-2025-66046, update to the latest version of The Biosig Project libbiosig that addresses these vulnerabilities.

3

What systems are affected by CVE-2025-66046?

CVE-2025-66046 affects The Biosig Project libbiosig version 3.9.1.

4

What is exploited in CVE-2025-66046?

CVE-2025-66046 is exploited through specially crafted MFER files that trigger buffer overflow vulnerabilities.

5

Can CVE-2025-66046 cause information disclosure?

While CVE-2025-66046 primarily allows for arbitrary code execution, it may also lead to information disclosure depending on the attack vector used.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203