How severe is CVE-2023-37443?

CVE-2023-37443 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-37443 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37443?

CVE-2023-37443 affects Tonybybell Gtkwave. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-37443?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-37443 have an EU (EUVD) identifier?

Yes. CVE-2023-37443 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41343.

When was CVE-2023-37443 published?

CVE-2023-37443 was published on 2024-01-08 and last updated on 2026-06-17.

CVE-2023-37443

CVE-2023-37443 is a high-severity vulnerability in Tonybybell Gtkwave with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-41343
Weakness: CWE-119
Affected product: Tonybybell Gtkwave
Published: 2024-01-08
Last modified: 2026-06-17

Description

Multiple out-of-bounds read vulnerabilities exist in the VCD var definition section 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 out-of-bounds read when triggered via the GUI's legacy VCD parsing code.

Frequently asked questions

What is CVE-2023-37443?: Multiple out-of-bounds read vulnerabilities exist in the VCD var definition section 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 out-of-bounds read when triggered via the GUI's legacy VCD parsing code.
How severe is CVE-2023-37443?: CVE-2023-37443 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-37443 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37443?: CVE-2023-37443 affects Tonybybell Gtkwave. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-37443?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-37443 have an EU (EUVD) identifier?: Yes. CVE-2023-37443 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41343.
When was CVE-2023-37443 published?: CVE-2023-37443 was published on 2024-01-08 and last updated on 2026-06-17.

References

Affected products (1)

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

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CVE-2023-39444 — High (CVSS 7.8): Multiple out-of-bounds write vulnerabilities exist in the LXT2 parsing functionality of GTKWave 3.3.115. A…
CVE-2023-39443 — High (CVSS 7.8): Multiple out-of-bounds write vulnerabilities exist in the LXT2 parsing functionality of GTKWave 3.3.115. A…
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CVE-2023-39274 — High (CVSS 7.8): Multiple integer overflow vulnerabilities exist in the LXT2 facgeometry parsing functionality of GTKWave 3.3.115. A…

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