Ubuntu Update for icedtea-web USN-2131-1

Solution
Please Install the Updated Packages.
Insight
Michael Scherer discovered that IcedTea Web created temporary directories in an unsafe fashion. A local attacker could possibly use this issue to obtain or modify sensitive information from other local user sessions.
Affected
icedtea-web on Ubuntu 13.10 , Ubuntu 12.10 , Ubuntu 12.04 LTS