The development team behind open source file and print server Samba have released versions 3.0.37, 3.2.15, 3.3.8 and 3.4.2. They fix three vulnerabilities which attackers could exploit to access data or disable the server. In addition to the new versions, source code patches are also available.

Following several delays, Mozilla has released version 3.6.4 of its open source Firefox web browser, adding crash protection and addressing four critical vulnerabilities

A vulnerability in the creation of symbolic links (symlinks) in the free Samba file and printer server can be exploited to attain access to files outside of predefined paths. Attackers can even get access to the system's root directory (/). To exploit the flaw (directory traversing), attackers first have to have an account on the Samba server that includes write access to at least one share.

The Samba development team has just announced the release of Samba 4.0. Samba is a Free Softwareimplementation of SMB/CIFS protocols, which makes it possible for any system running Samba to function as a file, print and authentication server suite for Microsoft Windows and UNIX-like clients.

Google has released version 5.0.375.125 of Chrome, a security update that addresses three "high" risk vulnerabilities in its WebKit-based browser

Every few months the Samba developers have started releasing a status and direction report called "The Samba Team Blog".

According to a report from Red Hat, two vulnerabilities in the free PDF reader Xpdf can be exploited via manipulated PDF documents to compromise a victim's system.

Version 0.96.1 of ClamAV, the free open source anti-virus toolkit, fixes bugs which cause it to crash when faced with crafted PDF and PE files

A critical security hole has forced the Samba developers to release an update for the 3.3 branch, which is due to be discontinued