Ubuntu Update for libreoffice USN-1495-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1495-1
Solution
Please Install the Updated Packages.
Insight
Integer overflows were discovered in the graphics loading code of several different image types. 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. (CVE-2012-1149) Sven Jacobi discovered an integer overflow when processing Escher graphics records. If a user were tricked into opening a specially crafted PowerPoint file, an attacker could cause LibreOffice to crash or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2012-2334)
Affected
libreoffice on Ubuntu 11.10 , Ubuntu 11.04