# CVE-2023-37921

## Summary

- **CVE ID:** CVE-2023-37921
- **Severity:** HIGH
- **CVSS Score:** 7.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
- **CWE:** CWE-118
- **Published:** Jan 8, 2024
- **Last Modified:** Mar 13, 2026

## Description

Multiple arbitrary write vulnerabilities exist in the VCD sorted bsearch functionality of GTKWave 3.3.115. A specially crafted .vcd file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the arbitrary write when triggered via the vcd2vzt conversion utility.

## Affected Products

- GTKWave — GTKWave (3.3.115)

## References

- [CNA](https://talosintelligence.com/vulnerability_reports/TALOS-2023-1807)
- [CNA](https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html)
- [CVE](https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1807)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.07%
- **EPSS Percentile:** 21.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._