Multiple improper array index validation vulnerabilities exist in the fstReaderIterBlocks2 tdelta functionality of GTKWave 3.3.115. A specially crafted .fst file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the tdelta indexing when signal_lens is 0.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-3785-1 gtkwave security update
Debian DSA Debian DSA DSA-5653-1 gtkwave security update
EUVD EUVD EUVD-2023-39980 Multiple improper array index validation vulnerabilities exist in the fstReaderIterBlocks2 tdelta functionality of GTKWave 3.3.115. A specially crafted .fst file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the tdelta indexing when signal_lens is 0.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 04 Nov 2025 19:30:00 +0000


cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published:

Updated: 2025-11-04T18:15:11.245Z

Reserved: 2023-06-20T19:41:02.814Z

Link: CVE-2023-35996

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2024-01-08T15:15:13.590

Modified: 2025-11-04T19:15:45.877

Link: CVE-2023-35996

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.