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    2 vulnerabilities by CHMLib

    CVE-2025-48172 (GCVE-0-2025-48172)

    Vulnerability from cvelistv5 – Published: 2025-07-04 00:00 – Updated: 2025-07-08 14:29
    VLAI
    Summary
    CHMLib through 2bef8d0, as used in SumatraPDF and other products, has a chm_lib.c _chm_decompress_block integer overflow. There is a resultant heap-based buffer overflow in _chm_fetch_bytes.
    Severity
    5.6 (Medium)
    CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-190 - Integer Overflow or Wraparound
    Assigner
    References
    Impacted products
    Vendor Product Version
    CHMLib CHMLib Affected: 0 , ≤ 2bef8d063ec7d88a8de6fd9f0513ea42ac0fa21f (git)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2007-0619 (GCVE-0-2007-0619)

    Vulnerability from cvelistv5 – Published: 2007-01-31 11:00 – Updated: 2024-08-07 12:26
    VLAI
    Summary
    chmlib before 0.39 allows user-assisted remote attackers to execute arbitrary code via a crafted page block length in a CHM file, which triggers memory corruption.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    URL Tags
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    http://secunia.com/advisories/23975 third-party-advisoryx_refsource_SECUNIA
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    Date Public
    2007-01-24 00:00
    Show details on NVD website
    To clipboard 

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