An integer overflow vulnerability exists in the FST fstReaderIterBlocks2 vesc allocation functionality of GTKWave 3.3.115, when compiled as a 32-bit binary. A specially crafted .fst file can lead to memory corruption. A victim would need to open a malicious file to trigger this vulnerability.
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1790
https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html