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High severity7.0NVD Advisory· Published Jan 8, 2024· Updated Jun 17, 2026

CVE-2023-38653

CVE-2023-38653

Description

Multiple integer overflow vulnerabilities exist in the VZT vzt_rd_block_vch_decode dict 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 trigger these vulnerabilities.This vulnerability concerns the integer overflow when num_time_ticks is zero.

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Affected products

3
  • Tonybybell/Gtkwave
    cpe:2.3:a:tonybybell:gtkwave:3.3.115:*:*:*:*:*:*:*
  • GTKWave/GTKWavellm-fuzzy2 versions
    <3.3.115+ 1 more
    • (no CPE)range: <3.3.115
    • (no CPE)range: 3.3.115

Patches

Vulnerability mechanics

References

3

News mentions

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