What is the CVSS score of CVE-2023-35992?

CVE-2023-35992 has a CVSS 3.1 base score of 7.0 (High). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Gtkwave are affected by CVE-2023-35992?

CVE-2023-35992 presents moderate security risk, a integer overflow vulnerability rated CVSS 7.0.

Is there a public PoC exploit available for CVE-2023-35992?

Yes, a public proof-of-concept exploit is available for CVE-2023-35992. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2023-35992?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Gtkwave CVE-2023-35992

HIGH

Integer Overflow or Wraparound (CWE-190)

2024-01-08 talos-cna@cisco.com

Integer Overflow Buffer Overflow Gtkwave

7.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.0 HIGH

AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:34 vuln.today

PoC Detected

Nov 04, 2025 - 19:15 vuln.today

Public exploit code

CVE Published

Jan 08, 2024 - 15:15 nvd

HIGH 7.0

DescriptionCVE.org

An integer overflow vulnerability exists in the FST fstReaderIterBlocks2 vesc allocation functionality of GTKWave 3.3.115, when compiled as a 32-bit binary. A specially crafted .fst file can lead to memory corruption. A victim would need to open a malicious file to trigger this vulnerability.

AnalysisAI

An integer overflow vulnerability exists in the FST fstReaderIterBlocks2 vesc allocation functionality of GTKWave 3.3.115, when compiled as a 32-bit binary. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. An integer overflow vulnerability exists in the FST fstReaderIterBlocks2 vesc allocation functionality of GTKWave 3.3.115, when compiled as a 32-bit binary. A specially crafted .fst file can lead to memory corruption. A victim would need to open a malicious file to trigger this vulnerability. Affected products include: Tonybybell Gtkwave.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.