Java version 7 update 15 is available.
The link to Check Java version is in my signature.
For Ubuntu, download the Linux version for 32 bit machines or the Linux x64 version for 64 bit machines.
The .RPM version is for other Linux Distros.
Choose "save file" when prompted and then the instructions to install it are in the other link in my signature Manually update Java.
There is a way to download the update from both sites.
The How to link is Oracle (Sun) Java JRE for Ubuntu, Linux Mint and Debian.
Just open up a terminal and copy and paste the commands.
The instructions have been updated to 7.15 so you just have to copy and paste the commands into a terminal.
For 32 bit the instructions are on the left and for 64 bit the instructions are on the right.
It will tell you to remove any older version first and provides instructions for doing so.
This method also removes the IcedTea Java-plug-in

This is intended for those who prefer the CLI method of updating Java.

When you get it installed and restart Firefox open a tab and enter:
Code:
about:plugins
It should show this:
Java(TM) Plug-in 1.7.0_15
This post can always be used to check and update java anytime a new version comes out.