Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 chain_table parsing 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 chain_table of the `FST_BL_VCDATA_DYN_ALIAS2` section type.

An integer overflow vulnerability exists in the LXT2 zlib block allocation functionality of GTKWave 3.3.115. A specially crafted .lxt2 file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.

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 1.

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` array.

Multiple OS command injection vulnerabilities exist in the decompression functionality of GTKWave 3.3.115. A specially crafted wave file can lead to arbitrary command execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns legacy decompression in `vcd_main`.

Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 VCDATA parsing 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 decompression function `fastlz_decompress`.

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.

Multiple OS command injection vulnerabilities exist in the decompression functionality of GTKWave 3.3.115. A specially crafted wave file can lead to arbitrary command execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns decompression in the `vcd2lxt2` utility.

Multiple OS command injection vulnerabilities exist in the decompression functionality of GTKWave 3.3.115. A specially crafted wave file can lead to arbitrary command execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns decompression in `vcd_recorder_main`.

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 initialization part.

Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 chain_table parsing 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 chain_table of `FST_BL_VCDATA` and `FST_BL_VCDATA_DYN_ALIAS` section types.

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.

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.

Multiple OS command injection vulnerabilities exist in the decompression functionality of GTKWave 3.3.115. A specially crafted wave file can lead to arbitrary command execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns `.ghw` decompression.

Multiple OS command injection vulnerabilities exist in the decompression functionality of GTKWave 3.3.115. A specially crafted wave file can lead to arbitrary command execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns decompression in the `vcd2vzt` utility.

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 2 or more.

Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 VCDATA parsing 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 decompression function `uncompress`.

Multiple OS command injection vulnerabilities exist in the decompression functionality of GTKWave 3.3.115. A specially crafted wave file can lead to arbitrary command execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns decompression in the `vcd2lxt` utility.

An out-of-bounds write vulnerability exists in the VZT LZMA_read_varint functionality of GTKWave 3.3.115. A specially crafted .vzt file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.

An integer overflow vulnerability exists in the fstReaderIterBlocks2 temp_signal_value_buf 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 this vulnerability.

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 parsing the time table.

Multiple stack-based buffer overflow vulnerabilities exist in the FST LEB128 varint 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 fstReaderVarint32WithSkip function.

Multiple stack-based buffer overflow vulnerabilities exist in the FST LEB128 varint 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 fstReaderVarint64 function.

Multiple stack-based buffer overflow vulnerabilities exist in the FST LEB128 varint 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 fstReaderVarint32 function.

An out-of-bounds write vulnerability exists in the LXT2 num_time_table_entries functionality of GTKWave 3.3.115. A specially crafted .lxt2 file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.

An integer overflow vulnerability exists in the VZT longest_len value allocation functionality of GTKWave 3.3.115. A specially crafted .vzt file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.

An integer overflow vulnerability exists in the fstReaderIterBlocks2 time_table tsec_nitems 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 this vulnerability.

An improper array index validation vulnerability exists in the EVCD var len parsing functionality of GTKWave 3.3.115. A specially crafted .evcd file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.

Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 VCDATA parsing 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 copy function `fstFread`.

An integer overflow vulnerability exists in the FST_BL_GEOM parsing maxhandle 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.