cve/2023/CVE-2023-38623.md

### [CVE-2023-38623](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-38623)
![](https://img.shields.io/static/v1?label=Product&message=GTKWave&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%203.3.115%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-190%3A%20Integer%20Overflow%20or%20Wraparound&color=brighgreen)

### Description

Multiple integer overflow vulnerabilities exist in the VZT facgeometry parsing functionality of GTKWave 3.3.115. A specially crafted .vzt file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the integer overflow when allocating the `vindex_offset` array.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds