** DISPUTED ** Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says Not sure if this qualifies as security issue (probably not). http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-4070