CVE-2025-54462

CRITICAL EPSS 48.1%

Published Aug 25, 202510mo ago · Modified Jun 17, 20261w ago

9.8 CVSS 3.1

Critical

Published Aug 25, 2025 10mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

9.8

Exploitability

3.9

Impact

5.9

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

48.1% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-122

Affected Products 1

Vendor	Product	Version	Range
libbiosig_project	libbiosig	*	<3.9.1

References 2

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

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.