CVE-2026-22891: Libbiosig Project Libbiosig

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A heap-based buffer overflow vulnerability exists in the Intan CLP parsing functionality of The Biosig Project libbiosig 3.9.2 and Master Branch (db9a9a63). A specially crafted Intan CLP file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

• Libbiosig Project Libbiosig: version 3.9.2 only

Published 2026-03-03. Last modified 2026-06-17.