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    CVE-2025-55651

    A NULL pointer dereference in the gf_isom_get_user_data_count function (isomedia/isom_read.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

    Published:Jun 9, 2026
    Last Modified:Jun 14, 2026
    EPS:Jun 9, 2026
    EPSS Score:0.00023
    CVSS Score:5.5

    Affected Products

    Vendor
    Gpac
    Product
    Gpac
    Vendor
    Gpac
    Product
    Mp4box

    Exploits

    https://infosec.exchange/@sigdevel/116710512103919834https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/4/4_poc.mp4

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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