The remote host is missing an update to koffice announced via advisory USN-496-1.
A security issue affects the following Ubuntu releases:
Ubuntu 6.06 LTS Ubuntu 6.10 Ubuntu 7.04
This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu.
Details follow:
Derek Noonburg discovered an integer overflow in the Xpdf function StreamPredictor::StreamPredictor(). By importing a specially crafted PDF file into KWord, this could be exploited to run arbitrary code with the user's privileges.
Solution: The problem can be corrected by upgrading your system to the following package versions:
Ubuntu 6.06 LTS: kword 1:1.5.0-0ubuntu9.2
Ubuntu 6.10: kword 1:1.5.2-0ubuntu2.2
Ubuntu 7.04: kword 1:1.6.2-0ubuntu1.1
After a standard system upgrade you need to restart KWord to effect the necessary changes.