cve/2023/CVE-2023-39443.md

### [CVE-2023-39443](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-39443)
![](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-119%3A%20Improper%20Restriction%20of%20Operations%20within%20the%20Bounds%20of%20a%20Memory%20Buffer&color=brighgreen)

### Description

Multiple out-of-bounds write vulnerabilities exist in the LXT2 parsing functionality of GTKWave 3.3.115. A specially-crafted .lxt2 file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the out-of-bounds write perfomed by the prefix copy loop.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1826

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