Multiple integer overflow vulnerabilities exist in the FST fstReaderIterBlocks2 chain_table allocation 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 allocation of the `chain_table_lengths` array. CREATE(Triage):(User=admin) CVE-2023-36916 (https://nvd.nist.gov/vuln/detail/CVE-2023-36916)