Denial of Service Vulnerability in PHP 7.1.2 via declare(ticks=

CVE-2017-6441 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

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.

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