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CVE-2025-66048

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Date: December 11, 2025

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

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-66048
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2296
https://www.mend.io/vulnerability-database/CVE-2025-66048

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Stack-based Buffer Overflow

CWE-121

Top Fix

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Upgrade Version

Upgrade to version https://git.code.sf.net/p/biosig/code.git - v3.9.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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