An update to the PS3 system software was released on 7 September 2010. If you update your PS3 system, the system software version will be 3.42 and the following features will be updated. In order to download PS3 system software version 3.42, you will need a minimum 168MB of free space on either the PS3 Hard Disk Drive (System Update) or on removable storage media (PC Update).
Main features in system software update version 3.42
* A patch has been added to address security vulnerability in the system software.