VULNERABILITY INTELLIGENCE

CVE-2023-35969

CVSS score7.8 HIGH
EPSS probability0.42%
CISA KEVNot currently listed
Published2024-01-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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 `FST_BL_VCDATA` and `FST_BL_VCDATA_DYN_ALIAS` section types.

Weakness classification

  • talos-cna@cisco.com: CWE-119
  • nvd@nist.gov: CWE-787

Primary references