Ubuntu Update for gnupg2 vulnerability USN-970-1

Ubuntu Update for Linux kernel vulnerabilities USN-970-1
Please Install the Updated Packages.
It was discovered that GPGSM in GnuPG2 did not correctly handle certificates with a large number of Subject Alternate Names. If a user or automated system were tricked into processing a specially crafted certificate, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.
gnupg2 vulnerability on Ubuntu 8.04 LTS , Ubuntu 9.04 , Ubuntu 9.10 , Ubuntu 10.04 LTS