Firebug 1.1 is Firebug 1.05 by Joe Hewitt with enhancements and bug fixes by John J. Barton (IBM Almaden) and Max Stepanov (aptana)
The file is an XPI file that will add-on to Firefox as Firebug v1.1. Firefox’s updater will allow you to get new experimental versions until Firebug 1.1 is official.
A serious vulnerability in Mozilla Firefox has been addressed in release 2.0.0.7 which is now posted to the Firefox web site. The exploit involved an issue in Apple QuickTime that could reportedly lead to a full compromise of the browser and possibly the underlying operating system.
The vulnerability reported by Petko D. Petkov at gnucitizen.org , who also reported on two other QuickTime vulnerabilities last year.
