About Java for OS X Lion 2012-004
Java for OS X Lion 2012-004 delivers improved security, reliability, and compatibility for Java SE 6. Java for OS X Lion 2012-004 supersedes all previous versions of Java for OS X Lion.
This update configures the Java plug-in to deactivate when no applets are run for an extended period of time. If the previous update named "Java for OS X Lion 2012-003" was not installed on your computer, this update will disable the Java web plug-in immediately. Re-enable Java applets by clicking the region labeled "Inactive plug-in" on a webpage.
This release updates Java SE 6 to version 1.6.0_33.
This release is for OS X Lion versions 10.7 or later.
For information about the security content of this update, please visit this website: http://support.apple.com/kb/HT1222