CVE-2023-38652 HIGH

CVE-2023-38652

Vendor Gtkwave
Product GTKWave
Weakness CWE-190
Published January 8, 2024
Last update November 4, 2025
View on NVD All CVEs

CVSS base score

7.0/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Multiple integer overflow vulnerabilities exist in the VZT vzt_rd_block_vch_decode dict parsing functionality of GTKWave 3.3.115. A specially crafted .vzt file can lead to memory corruption. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the integer overflow when num_time_ticks is not zero.

Key dates

02Disclosure timeline

January 8, 2024 CVE published
November 4, 2025 Record updated