CVE-2023-35703 - Vulnerability Details - OpenCVE

Multiple stack-based buffer overflow vulnerabilities exist in the FST LEB128 varint functionality of GTKWave 3.3.115. A specially crafted .fst file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the fstReaderVarint64 function.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact total

Vendors	Products
Tonybybell	Gtkwave

Configuration 1 [-]

cpe:2.3:a:tonybybell:gtkwave:3.3.115:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1783

History

Tue, 17 Jun 2025 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: talos

Published: 2024-01-08T14:48:01.249Z

Updated: 2025-06-17T20:29:16.400Z

Reserved: 2023-06-15T13:56:19.639Z

Link: CVE-2023-35703

Vulnrichment

Updated: 2024-08-02T16:30:44.464Z

NVD

Status : Modified

Published: 2024-01-08T15:15:09.987

Modified: 2024-11-21T08:08:32.593

Link: CVE-2023-35703

Redhat

No data.

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