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CVE-2023-36746

Tonybybell Gtkwave buffer overflow

7.0 HIGHPublic exploitEPSS 0.37%
  1. Published8 Jan 2024

Description

Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 fstWritex len functionality of GTKWave 3.3.115. A specially crafted .fst file can lead to memory corruption. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the handling of `len` in `fstWritex` when parsing the time table.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityHigh
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Tonybybell Gtkwave3.3.115

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2023-36746 being actively exploited?

CVE-2023-36746 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.37%.

How severe is CVE-2023-36746?

CVE-2023-36746 has a CVSS 3.1 base score of 7.0, rated high. EPSS estimates a 0.37% probability of exploitation.

Which products are affected by CVE-2023-36746?

Affected products include Tonybybell Gtkwave.

How do I fix CVE-2023-36746?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-36746 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.