Rene Engelhard uploaded new packages for libreoffice which fixed the
following security problems:
CVE-2011-2713
Red Hat, Inc. security researcher Huzaifa Sidhpurwala reported multiple
vulnerabilities in the binary Microsoft Word (doc) file format importer
of OpenOffice.org, a full-featured office productivity suite that
provides a near drop-in replacement for Microsoft(R) Office.
For the squeeze-backports distribution the problems have been fixed in
version 1:3.4.3-3~bpo60+1.