CVE-2023-35970

HIGH

GTKWave 3.3.115 - Heap-Based Buffer Overflow in FST Reader Chain Table Parsing

Title source: llm

Description

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.

References (3)

Core 3

Core References

Mailing List

https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html

Exploit, Third Party Advisory

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1789

Third Party Advisory

https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1789

Scores

CVSS v3 7.8

EPSS 0.0043

EPSS Percentile 34.8%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-119 CWE-787

Status published

Products (1)

tonybybell/gtkwave 3.3.115

Published Jan 08, 2024

Tracked Since Feb 18, 2026