CVE-2016-4345: php: Multiple heap overflows due to integer overflows

Severity: Critical

CVSS Score: 9.8

Integer overflow in the php_filter_encode_url function in ext/filter/sanitizing_filters.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long string, leading to a heap-based buffer overflow.