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VulnerabilityPublished Updated

CVE-2023-37282: GTKWave · Memory Buffer Overflow

Affects GTKWaveSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 12:54 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Jan 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Debiandebian/gtkwavepkg:deb/debian/gtkwaveOther threatsAffected
  • =3.3.115
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

European organizations should immediately verify if GTKWave version 3.3.115 is in use within their environments. 2) Implement strict file handling policies, including scanning and sandboxing of .vzt files before opening them. 3) Educate engineering and technical staff on the risks of opening files from unverified sources, emphasizing phishing and social engineering awareness. 4) Employ application whitelisting and endpoint detection and response (EDR) solutions to monitor and block suspicious behaviors related to GTKWave processes. 5) If feasible, temporarily disable GTKWave usage or replace it with alternative tools until a patched version is released. 6) Monitor threat intelligence feeds for any emerging exploit code or proof-of-concept releases to enable rapid response. 7) Network segmentation should be enforced to limit potential lateral movement if a workstation is compromised.

Description

An out-of-bounds write vulnerability exists in the VZT LZMA_Read dmem extraction 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 this vulnerability.

References

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