Heap Use After Free Vulnerability in PHP 7.0.x and 7.1.x

CVE-2017-12934 · MEDIUM Severity

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

ext/standard/var_unserializer.re in PHP 7.0.x before 7.0.21 and 7.1.x before 7.1.7 is prone to a heap use after free while unserializing untrusted data, related to the zval_get_type function in Zend/zend_types.h. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Learn more about our Web Application Penetration Testing UK.