petrescs, thank you for reporting this and trying to help make Ubuntu better.
However, the LibreOffice PPA is not a software package provided by the official
Ubuntu repositories. Because of this the Ubuntu project can not support or fix
your particular bug. Please report this bug to the provider
Attached the doc file that is causing problems. Please check if this can
be always reproduced on ubuntu precise (libreoffice 4.0.3) and ubuntu
raring (libreoffice 4.0.4). The file should open fine in any ubuntu
using libreoffice 4.0.2.
** Attachment added: "crash test file for 4.0.3 and 4.0.4"