Zitat aus ubuntuforums.org:
bumped to stable. Security fixes do not have to go through the mandatory 7-day staging period. All you Hoary users, your Firefox is safe to use once again
Um auf die Backports zugreifen zu können, müssen die folgenden Zeilen zu /etc/apt/sources.list hinzugefügt werden:
deb http://backports.ubuntuforums.org/backports hoary-backports main restricted universe multiverse
deb http://backports.ubuntuforums.org/backports hoary-extras main restricted universe multiverse