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    CVE-2023-0568

    In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, core path resolution function allocate buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may lead to the byte after the allocated buffer being overwritten with NUL value, which might lead to unauthorized data access or modification.

    Published:Feb 15, 2023
    Last Modified:Mar 18, 2025
    EPS:Feb 16, 2023
    EPSS Score:0.00096
    CVSS Score:7.5

    Affected Products

    Vendor
    Php
    Product
    Php
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://bugs.php.net/bug.php?id=81746https://bugs.php.net/bug.php?id=81746

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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