Referenced CVEs: 
CVE-2006-6120
Description: 
=========================================================== Ubuntu Security Notice USN-388-1 November 29, 2006 koffice vulnerability CVE-2006-6120 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 5.10: koffice-libs 1:1.4.1-0ubuntu7.4 After a standard system upgrade you need to restart your Desktop session to effect the necessary changes. Details follow: An integer overflow was discovered in KOffice's filtering code. By tricking a user into opening a specially crafted PPT file, attackers could crash KOffice or possibly execute arbitrary code with the user's privileges.