Is CVE-2023-37923 in the CISA KEV catalog?

No. CVE-2023-37923 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-37923?

CVE-2023-37923 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2023-37923?

CVE-2023-37923 has an EPSS score of 0.43% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-37923?

Upgrade gtkwave on debian 11 to 3.3.104+really3.3.118-0+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2023-37923

HIGH

7.8

CVSS v3

NVD

Description

Multiple arbitrary write vulnerabilities exist in the VCD sorted bsearch functionality of GTKWave 3.3.115. A specially crafted .vcd file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the arbitrary write when triggered via the vcd2lxt conversion utility.

CWE-118

How to fix

Remediation Available

gtkwaveDebian

Fixed in:3.3.104+really3.3.118-0+deb11u1CVE-2023-37923

Fixed in:3.3.118-0.1~deb12u1CVE-2023-37923

Fixed in:3.3.118-0.1CVE-2023-37923

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.43%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Exploit1

talosintelligence.com

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.