CVSS 3.1 Score 7.8 of 10 (high)


Published Jan 8, 2024
Updated: Jan 11, 2024
CWE ID 119


CVE-2023-35957 is a vulnerability that affects GTKWave 3.3.115. It involves multiple heap-based buffer overflow vulnerabilities in the fstReaderIterBlocks2 VCDATA parsing functionality. Exploiting this vulnerability requires a victim to open a specially-crafted .fst file, which can then lead to arbitrary code execution. The base severity of this vulnerability is rated as HIGH, with a base score of 7.8. The impact includes high integrity and confidentiality impacts, as well as a high availability impact. The exploitability score is 1.8, and user interaction is required for exploitation. To remediate this vulnerability, it is recommended to update to the latest version of GTKWave that addresses these issues.

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