Ubuntu Security Notice 535-1 – A large amount of flaws related to Firefox have been fixed under Ubuntu. These include forced upload and javascript insertion vulnerabilities.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60337/USN-535-1.txt
Source: https://packetstormsecurity.com/files/60337/Ubuntu-Security-Notice-535-1.html