Verion 5.2.4 focuses on improving stability by fixing over 120 various issues, including several low priority security issues. Highlights of the release include:

• A floating point exception inside wordwrap() has been fixed.
• Several integer overflows inside the GD extension have been corrected.
• Fixed money_format() not to accept multiple %i or %n tokens.
• Fixed zend_alter_ini_entry() memory_limit interruption vulnerability.
• Fixed INFILE LOCAL option handling with MySQL extensions not to be allowed when open_basedir or safe_mode is active.
• Fixed session.save_path and error_log values to be checked against open_basedir and safe_mode.
• Fixed a possible buffer overflow in php_openssl_make_REQ
• Fixed a possible open_basedir bypass inside session extension when the session file is a symlink.