You should now see the Remember Passwords dialog, containing all of your stored passwords within Firefox. Clicking the Remove All button will clear all of your passwords from within Firefox, making you safe at this point from the security flaw. Before clicking this button, be sure to store your passwords somewhere safe.
After clearing your passwords, click Close. After clicking Close and returning to the Security tab, click OK to return to Firefox's main window. At this point, you should restart your browser to complete the process.
