Memory corruption in GTKWave
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Multiple out-of-bounds read vulnerabilities exist in the VCD var definition section 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 out-of-bounds write when triggered via the vcd2lxt2 conversion utility.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2023-37446
- 2026-10-03 Alias added: GHSA-g9rv-78v8-8hq5
References
More Gtkwave vulnerabilities
- TI-2023-20579 Memory corruption in GTKWave CVSS 3.1HIGH 7.8
- TI-2023-20578 Memory corruption in GTKWave CVSS 3.1HIGH 7.8
- TI-2023-20417 Integer overflow in GTKWave CVSS 3.1HIGH 7.8
- TI-2023-20006 Memory corruption in GTKWave CVSS 3.1HIGH 7.8
- TI-2023-20005 Memory corruption in GTKWave CVSS 3.1HIGH 7.8
- TI-2023-19994 Integer overflow in GTKWave CVSS 3.1HIGH 7.8
Sources
- CVE-2023-37446 · CVE Program
- CVE-2023-37446 · NVD
- FIRST EPSS
- GHSA-g9rv-78v8-8hq5 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-37446 · Red Hat security data · CC BY 4.0
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