CVE-2013-4113
ext/xml/xml.c in PHP before 5.3.27 does not properly consider parsing depth, which allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a crafted document that is processed by the xml_parse_into_struct function.
Date published : 2013-07-13
http://git.php.net/?p=php-src.git;a=commit;h=7d163e8a0880ae8af2dd869071393e5dc07ef271