Summary
The remote host is missing an update to the system as announced in the referenced advisory.
Solution
Update your system with the appropriate patches or software upgrades.
http://www.mail-archive.com/php-cvs@lists.php.net/msg47722.html http://www.php.net/releases/5_2_15.php
http://www.vuxml.org/freebsd/f3148a05-0fa7-11e0-becc-0022156e8794.html
Insight
The following packages are affected:
php5
php52
