Stack-based buffer overflow in GTKWave 3.3.115's fstReaderVarint32WithSkip function allows arbitrary code execution via a specially crafted .fst file.

CVE-2023-35704 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

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