CVE-2025-54462

9.8 CRITICAL

Published: August 25, 2025 Modified: November 03, 2025

Description

A heap-based buffer overflow vulnerability exists in the Nex parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted .nex file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://talosintelligence.com/vulnerability_reports/TALOS-2025-2239

Source: talos-cna@cisco.com

Exploit Third Party Advisory

https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2239

Source: af854a3a-2127-422b-91ae-364da2661108

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

0.2%

48th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-122

Affected Vendors

libbiosig_project

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