CVE-2025-54462
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-08-25

Last updated on: 2025-11-03

Assigner: Talos

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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Meta Information
Published
2025-08-25
Last Modified
2025-11-03
Generated
2026-06-16
AI Q&A
2025-08-25
EPSS Evaluated
2026-06-15
NVD
CVE-2025-54462
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
libbiosig_project libbiosig to 3.9.1 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
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Executive Summary

This vulnerability is a heap-based buffer overflow in the Nex parsing functionality of The Biosig Project libbiosig versions 3.9.0 and the Master Branch (35a819fa). It occurs when a specially crafted .nex file is processed, allowing an attacker to trigger arbitrary code execution by providing a malicious file.

Impact Analysis

The vulnerability can allow an attacker to execute arbitrary code on the affected system without any privileges or user interaction. This can lead to full compromise of the system, including unauthorized access, data corruption, or denial of service.

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