A Joomla 3.4.5 release containing a security fix will be published on Thursday 22nd October at approximately 14:00 UTC

The Joomla Security Strike Team (JSST) has been informed of a critical security issue in the Joomla core.

Since this is a very important security fix, please be prepared to update your Joomla installations next Thursday.

Until the release is out, please understand that we cannot provide any further information.