There is a flaw in the rtf filter for OpenOffice.org which can lead to a buffer overflow. See http://www.openoffice.org/issues/show_bug.cgi?id=77214 A reproducer is in the above URL
this is now public as ooo2.1 is now available. http://www.debian.org/security/2007/dsa-1307 is also released. removing embargo.
This issue was addressed in: Red Hat Enterprise Linux: http://rhn.redhat.com/errata/RHSA-2007-0406.html Fedora: https://admin.fedoraproject.org/updates/F7/FEDORA-2007-0410