CVE-2023-37921
HIGHDescription
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.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploit Intelligence
Low risk: more likely to be exploited than 36% of all known CVEs.
References
Related Vulnerabilities
Other CWE-118 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2015-2002 | Critical | 9.8 | 2.3% | - | Fix |
| CVE-2017-5884 | High | 7.8 | 2.2% | - | Fix |
| CVE-2015-2004 | Critical | 9.8 | 2.0% | - | Fix |
| CVE-2015-2003 | Critical | 9.8 | 2.0% | - | Fix |
| CVE-2015-2001 | Critical | 9.8 | 2.0% | - | Fix |
| CVE-2015-2000 | Critical | 9.8 | 2.0% | - | Fix |
Common questions
How do I fix CVE-2023-37921?
Upgrade gtkwave on debian 11 to 3.3.104+really3.3.118-0+deb11u1 or later.
Is CVE-2023-37921 being actively exploited?
Not that we know of. CVE-2023-37921 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.43% is the estimated probability that it will be exploited in the next 30 days. That is higher than 36% of all scored CVEs.
How severe is CVE-2023-37921?
CVE-2023-37921 has a CVSS v3 base score of 7.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2023-37921 affect?
Published advisories record a fix for gtkwave (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
Embed a live status badge for CVE-2023-37921
Markdown
[](https://tridentstack.com/cve/CVE-2023-37921)HTML
<a href="https://tridentstack.com/cve/CVE-2023-37921"><img src="https://tridentstack.com/cve/badge/CVE-2023-37921.svg" alt="CVE-2023-37921"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.