Distributions such as Ubuntu and Debian are currently in the process of issuing updates to their users to remove a problem with the Rsync tool.

The new 1.3.7 is the CUPS developers have closed down several vulnerabilities in the popular print server.

Following security fixes for Firefox, Camino & Co, the developers of the Thunderbird email client have now taken steps to remove known vulnerabilities, closing down five security holes, one of which was and classified as critical.

The update Debian 4.0 alias Etch to 4.03r sees the free project mainly add security patches and remove the Adobe Flash plugin from the official repository.

Recent kernel versions back to the older kernel 2.6.17 may contain a vulnerability that can be exploited by local attackers.

The Mozilla Foundation has removed at least ten vulnerabilities from its browser, three of which were classified as critical by the developers.

Vulnerabilities have been discovered in two major media players for Linux. A Xine-Lib vulnerability also affects Mplayer.

The makers of Asterisk, the Open Source phone system, have removed a bug that allowed denial of service attacks under certain circumstances.