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    CVE-2025-6499

    A vulnerability classified as problematic was found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function ucl_parse_multiline_string of the file src/ucl_parser.c. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

    Published:Jun 23, 2025
    Last Modified:Sep 18, 2025
    EPS:Jun 23, 2025
    EPSS Score:0.00019
    CVSS Score:3.3

    Affected Products

    Vendor
    Vstakhov
    Product
    Libucl

    Exploits

    https://github.com/user-attachments/files/19825399/libucl_crash.txthttps://github.com/vstakhov/libucl/issues/319https://github.com/vstakhov/libucl/issues/319

    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