{"id":"CVE-2023-35958","details":"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 copy function `fstFread`.","modified":"2026-03-13T07:39:03.153609Z","published":"2024-01-08T15:15:11.090Z","references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html"},{"type":"WEB","url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1785"},{"type":"EVIDENCE","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1785"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"3.3.115"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-35958.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}