CVE-2017-6441

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    CVE-2017-6441

    Published: 3 Apr 2017Last Modified: 7 Aug 2026

    Summary:

    Details: The _zval_get_long_func_ex in Zend/zend_operators.c in PHP 7.1.2 allows attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted use of "declare(ticks=" in a PHP script. NOTE: the vendor disputes the classification of this as a vulnerability, stating "Please do not request CVEs for ordinary bugs. CVEs are relevant for security issues only.

    References: https://bugs.php.net/bug.php?id=74146, https://github.com/php/php-src/pull/2396

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- e000b401acacd5c0e8d90ec36c2ef1c585d149a2
    Fixed -None

    Affected versions

    7.1.2

    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