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CVE-2023-39271

22
FAUCET Score

CVE-2023-39271 describes multiple integer overflow vulnerabilities in the LXT2 facgeometry parsing functionality of GTKWave 3.3.115, specifically impacting the allocation of the 'msb' array. This vulnerability carries a CVSS score of 7.8 (HIGH), indicating that a local attacker could achieve arbitrary code execution by tricking a user into opening a specially crafted .lxt2 file. While the potential impact is severe (high confidentiality, integrity, and availability), there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.3.115CPE matchmatch criteria
cpe:2.3:a:tonybybell:gtkwave:3.3.115:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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 Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
34.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 33rd percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

talosintelligence.com / vulnerability_reports/TALOS-2023-1818
lists.debian.org / debian-lts-announce/2024/04/msg00007.html
talosintelligence.com / vulnerability_reports/TALOS-2023-1818
ExploitThird Party Advisory