Integer overflow in Gtkwave

CVE-2023-38651

Multiple integer overflow vulnerabilities exist in the VZT vzt_rd_block_vch_decode times parsing functionality of GTKWave 3.3.115. A specially crafted .vzt file can lead to memory corruption. A victim would need to open a malicious file to…

Vulnerability class: Integer Overflow

EPSS: 0.004 (29.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-38651?
CVE-2023-38651 is a high-severity vulnerability in Gtkwave, classified under Integer Overflow or Wraparound. CVSS score: 7.0/10. Published 2024-01-08.
How severe is CVE-2023-38651?
High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2023-38651 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.