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    CVE-2023-35992

    An integer overflow vulnerability exists in the FST fstReaderIterBlocks2 vesc allocation functionality of GTKWave 3.3.115, when compiled as a 32-bit binary. A specially crafted .fst file can lead to memory corruption. A victim would need to open a malicious file to trigger this vulnerability.

    Published:Jan 8, 2024
    Last Modified:Nov 4, 2025
    EPS:Jan 8, 2024
    EPSS Score:0.00029
    CVSS Score:7

    Affected Products

    Vendor
    Tonybybell
    Product
    Gtkwave

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2023-1790https://talosintelligence.com/vulnerability_reports/TALOS-2023-1790

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2023-32650 (CVSS 7) — An integer overflow vulnerability exists in the FST_BL_GEOM parsing maxhandle functionality of GTKWave 3.3.115…
    CVE-2023-35704 (CVSS 7.8) — Multiple stack-based buffer overflow vulnerabilities exist in the FST LEB128 varint functionality of GTKWave 3…
    CVE-2023-35703 (CVSS 7.8) — Multiple stack-based buffer overflow vulnerabilities exist in the FST LEB128 varint functionality of GTKWave 3…
    CVE-2023-35702 (CVSS 7.8) — Multiple stack-based buffer overflow vulnerabilities exist in the FST LEB128 varint functionality of GTKWave 3…
    CVE-2023-35958 (CVSS 7.8) — Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 VCDATA parsing functiona…
    CVE-2023-35957 (CVSS 7.8) — Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 VCDATA parsing functiona…
    CVE-2023-35956 (CVSS 7.8) — Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 VCDATA parsing functiona…
    CVE-2023-35955 (CVSS 7.8) — Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 VCDATA parsing functiona…
    CVE-2023-35964 (CVSS 7.8) — Multiple OS command injection vulnerabilities exist in the decompression functionality of GTKWave 3.3.115. A s…
    CVE-2023-35963 (CVSS 7.8) — Multiple OS command injection vulnerabilities exist in the decompression functionality of GTKWave 3.3.115. A s…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High