PT-2025-34633 · Libbiosig+1 · Libbiosig+1

Mark Bereza · Published 2025-01-01 · Updated 2025-09-02 · CVE-2025-54462

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: libbiosig versions 3.9.0 and Master Branch (35a819fa)

Description: A heap-based buffer overflow exists in the Nex parsing functionality. A specially crafted .nex file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this issue.

Recommendations: Update to a newer version of libbiosig that addresses this issue.

Exploit

Fix

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2025-54462

Affected Products

Debian

Libbiosig

References · 13

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2025-2239 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-54462 · Security Note
• https://osv.dev/vulnerability/CVE-2025-54462 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-54462 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2025-54462 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-54462 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-54462 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-54462 · Vendor Advisory
• https://sourceforge.net/p/biosig/mailman/message/59224259 · Note
• https://twitter.com/CVEnew/status/1959983166619349452 · Twitter Post
• https://t.me/cveNotify/134103 · Telegram Post
• https://t.me/CVEtracker/30839 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1960043532443349239 · Twitter Post