Home/CVE/An out-of-bounds write vulnerability exists in the LXT2 num_time_table_entries functionality of GTKWave 3.3.115. A speci
CVE

CVE-2023-34436

An out-of-bounds write vulnerability exists in the LXT2 num_time_table_entries functionality of GTKWave 3.3.115. A speci

An out-of-bounds write vulnerability exists in the LXT2 num_time_table_entries functionality 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.

HIGH · CVSS 7.8 EPSS 0.00066
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
tonybybell gtkwaveall versions
⚠

Public Exploits & PoCs

1
poctalosintelligence.com · TALOS-2023-1819talosintelligence.com
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · talos-cna@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Jan 2024 · 03:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1819
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