Vulnerability Details CVE-2023-35956
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`.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 21.5%
CVSS Severity
CVSS v3 Score 7.8
References
Products affected by CVE-2023-35956
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cpe:2.3:a:tonybybell:gtkwave:3.3.115