CVE-2023-36747

Multiple heap-based buffer overflow vulnerabilities exist in the
fstReaderIterBlocks2 fstWritex len functionality of GTKWave 3.3.115. A
specially crafted .fst file can lead to memory corruption. A victim would
need to open a malicious file to trigger these vulnerabilities.This
vulnerability concerns the handling of len in fstWritex when beg_time
does not match the start of the time table.