The vulnerability of the php_escape_html_entities_ex function (ext/standard/html.c) in the PHP language interpreter allows a attacker to trigger a service failure or possibly cause other effects.

The vulnerability of the phpescapehtmlentitiesex function ext/standard/html.c in the PHP language interpreter is caused by a numerical overflow condition. Exploiting this vulnerability could allow an attacker to cause service failures or potentially cause other adverse effects...