The security release for the 3.x series of Joomla! is available to download.
The following security issues have been fixed:
Medium Priority - Inadequate escaping leads to XSS vulnerability in com_media.
Medium Priority - Inadequate checking allowed unauthorised logins via LDAP authentication.
Users who are using PHP 5.3.10 or later should update Joomla! to the latest versions.
Read more about updates details and get new downloads here.