"The PHP development team would like to announce the immediate
availability of PHP 5.3.10. This release delivers a critical security
"The php_register_variable_ex function in php_variables.c in PHP 5.3.9 allows remote attackers to execute arbitrary code via a request containing a large number of variables, related to improper handling of array variables. NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-4885."
It is recommended that users of PHP 5.3.x upgrade to PHP 5.3.10.