What is the CVSS score of CVE-2023-38583?

CVE-2023-38583 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Gtkwave are affected by CVE-2023-38583?

CVE-2023-38583 presents notable security risk, a buffer overflow vulnerability rated CVSS 7.8.

Is there a public PoC exploit available for CVE-2023-38583?

Yes, a public proof-of-concept exploit is available for CVE-2023-38583. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2023-38583?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. If patching is delayed, consider network segmentation to limit exposure.

Gtkwave CVE-2023-38583

HIGH

Classic Buffer Overflow (CWE-120)

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

Buffer Overflow RCE Gtkwave

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Attack Vector

Local

Attack Complexity

Low

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 7.8

DescriptionCVE.org

A stack-based buffer overflow vulnerability exists in the LXT2 lxt2_rd_expand_integer_to_bits function of GTKWave 3.3.115. A specially crafted .lxt2 file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.

AnalysisAI

A stack-based buffer overflow vulnerability exists in the LXT2 lxt2_rd_expand_integer_to_bits function of GTKWave 3.3.115. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. A stack-based buffer overflow vulnerability exists in the LXT2 lxt2_rd_expand_integer_to_bits function of GTKWave 3.3.115. A specially crafted .lxt2 file can lead to arbitrary code execution. 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. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.