Sean Larsson of iDefense Labs discovered that libwpd was vulnerable to integer overflows. If a user were tricked into opening a specially crafted WordPerfect document with an application that used libwpd, an attacker could execute arbitrary code with user privileges.
The problem can be corrected by updating your system to the following package versions:
19 March 2007
A security issue affects these releases of Ubuntu and its derivatives:
Sean Larsson of iDefense Labs discovered that libwpd was vulnerable to integer overflows. If a user were tricked into opening a specially crafted WordPerfect document with an application that used libwpd, an attacker could execute arbitrary code with user privileges.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the necessary changes.