The PHP development team just announced the immediate release of PHP 5.3.2, a maintenance release in the 5.3 series. PHP 5.3.2 includes security enhancements and many bug fixes, such as:

* Improved LCG entropy
* Fix for safe_mode validation inside tempnam() when the directory path does not end with a /)
* Fix for a possible open_basedir/safe_mode bypass in the session extension

Read the entire release announcement here: http://www.php.net/archive/2010.php#id2010-03-04-1