The update for the Mozilla Firefox browser to version 2.0.0.8 does not remove all of the vulnerabilities disclosed in the changelog, and the update introduces some new bugs.

Two protocol handlers give attackers the ability to inject malicious code into X Font Server (XFS). Linux systems are only vulnerable to local attacks. The X Font Server is not accessible over networks by default.

A Red Hat update has just been released to close various vulnerabilities in the Xen virtualization solution, one of which was caused by an error in a Python script.

An unknown software researcher discovered a highly critical vulnerability in the Star Office package. Manufacturer Sun has released patches to resolve the issue.

Four bugs have been discovered in the free Image Magick image manipulation Software and classified as highly critical by several security research services. A new version closes the security holes.

The KDE Display Manager (KDM) can be exploited to allow users to log in without a password. This would give users the ability to log in as other users or even root.

A moderately critical vulnerability was discovered in the QUtf8Decoder of Trolltech's Qt Framework.

The latest version of Samba, 3.0.26, removes a moderately critical vulnerability that only occurs in combination with Microsoft's Active Directory Service.