CVE-2023-35989: Tonybybell Gtkwave

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

An integer overflow vulnerability exists in the LXT2 zlib block allocation functionality of GTKWave 3.3.115. A specially crafted .lxt2 file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.

Affected products

• Tonybybell Gtkwave: version 3.3.115 only

Published 2024-01-08. Last modified 2026-06-17.