Webconverger, a Linux distro to drive web kiosk systems, is now available in version 4.7. Some updates improve its security.

The udev subsystem allows the Linux kernel, together with a userland program, to manage device nodes dynamically, adding and removing them at will. It has now been revealed that the communication channel between the kernel and program fails to authenticate, so that users can assume root privileges.

An update for the new, stabler version of Debian 5.0 has appeared over Easter.

In August 2008, the Fedora team noticed irregularities on its server. Project leader Paul W. Frields has now released a detailed report of the break-in.

The Mozilla project has released version 3.0.8 of the web browser Firefox. The updated version is most noteworthy in that it rectifies prior security issues.

A botnet named psyb0t has been nesting for a few months in consumer devices that run on Linux with MIPS CPUs, notably routers. Infested devices connect through a botnet over a private Internet Relay Chat (IRC) server to await commands.

At the CanSecWest Vancouver 2009 conference's PWN2OWN hacker's competition the Safari, Internet Explorer 8 and Firefox browsers were successfully hacked to run code on their systems. The Chrome browser was recognized as being the least impacted by the hackers.