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    CVE-2025-57052

    cJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the decode_array_index_from_pointer function in cJSON_Utils.c, allowing remote attackers to bypass array bounds checking and access restricted data via malformed JSON pointer strings containing alphanumeric characters.

    Published:Sep 3, 2025
    Last Modified:Nov 3, 2025
    EPS:Sep 3, 2025
    EPSS Score:0.00129
    CVSS Score:9.8

    Affected Products

    Vendor
    Cjson Project
    Product
    Cjson
    Vendor
    Davegamble
    Product
    Cjson

    Exploits

    https://x-0r.com/posts/cJSON-Array-Index-Parsing-Vulnerabilityhttps://github.com/DhruvP2205/cjson-rust-port

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers
    CAPEC-540 Overread Buffers

    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