Ubuntu Update for libreoffice USN-1536-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1536-1
Solution
Please Install the Updated Packages.
Insight
It was discovered that LibreOffice incorrectly handled certain encryption tags in Open Document Text (.odt) files. If a user were tricked into opening a specially crafted file, an attacker could cause LibreOffice to crash or possibly execute arbitrary code with the privileges of the user invoking the program.
Affected
libreoffice on Ubuntu 12.04 LTS , Ubuntu 11.10 , Ubuntu 11.04