Updated libreoffice packages fix security vulnerability

Federico Scrinzi discovered that LibreOffice incorrectly handled documents inserted into Writer or Calc via links. If a user were tricked into opening a specially crafted document, a remote attacker could possibly obtain the contents of arbitrary files (CVE-2015-4551). It was discovered that LibreOffice incorrectly handled PrinterSetup data stored in ODF files. If a user were tricked into opening a specially crafted ODF document, a remote attacker could cause LibreOffice to crash, and possibly execute arbitrary code.(CVE-2015-5212). It was discovered that LibreOffice incorrectly handled the number of pieces in DOC files. If a user were tricked into opening a specially crafted DOC document, a remote attacker could cause LibreOffice to crash, and possibly execute arbitrary code (CVE-2015-5213). It was discovered that LibreOffice incorrectly handled bookmarks in DOC files. If a user were tricked into opening a specially crafted DOC document, a remote attacker could cause LibreOffice to crash, and possibly execute arbitrary code (CVE-2015-5214). LibreOffice has been updated to version 4.4.6, which fixes these issues as well as several other bugs.