Multiple out-of-bounds read vulnerabilities exist in the VCD var definition section functionality of GTKWave 3.3.115. A specially crafted .vcd file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the out-of-bounds write when triggered via the vcd2vzt conversion utility.
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1805
https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html