Ubuntu Update for gnupg USN-1923-1

Please Install the Updated Packages.
Yuval Yarom and Katrina Falkner discovered a timing-based information leak, known as Flush+Reload, that could be used to trace execution in programs. GnuPG and Libgcrypt followed different execution paths based on key-related data, which could be used to expose the contents of private keys.
gnupg on Ubuntu 13.04 , Ubuntu 12.10 , Ubuntu 12.04 LTS , Ubuntu 10.04 LTS