This plugin integrates Bugzilla into Hudson. It hyperlinks bug numbers that appear in changeset descriptions to the bugzilla bug detail page. It can also, optionally, add a tooltip to each linked bug, showing the bug 'summary' text.
Hudson needs to know the URL to your bugzilla server. In addition, you can specify a username and password to the bugzilla server. If login is required to see bug detail, then the username and password are necessary for the tooltip feature. Note that the password is stored in plaintext within Hudson's configuration files. Here is an example configuration page, with the bugzilla project's own bugzilla server: