In Firefox, select "Tools" from the main menu, then "Add-ons," then click the "Disable" button next to any Java plug-ins. • In Safari, click "Safari" in the main menu bar, then "Preferences ...

Now in the right pane, you will see Java Permissions. Double-click on it to open its Policy Settings box. This policy setting allows you to disable to manage permissions for Java applets.

Scroll to the entry for Java and click Disable. To shut down Java in Safari, click Safari > Preferences (or press Command-,), select the Security tab at the top of the window, and uncheck Enable Java.

Because of the way Java applets ... program’s Preferences panel. While nobody has reported being attacked via this exploit, this is a serious hole, and I strongly recommend you disable Java ...