Ubuntu Update for libyaml USN-2160-1

Solution
Please Install the Updated Packages.
Insight
Ivan Fratric discovered that LibYAML incorrectly handled certain malformed YAML documents. An attacker could use this issue to cause LibYAML to crash, resulting in a denial of service, or possibly execute arbitrary code.
Affected
libyaml on Ubuntu 13.10 , Ubuntu 12.10 , Ubuntu 12.04 LTS