Log Message:
Update firefox, firefox-bin and firefox-gtk1 to 2.0.0.18.

Security fixes in this version:

MFSA 2008-58 Parsing error in E4X default namespace
MFSA 2008-57 -moz-binding property bypasses security checks on codebase principals
MFSA 2008-56 nsXMLHttpRequest::NotifyEventListeners() same-origin violation
MFSA 2008-55 Crash and remote code execution in nsFrameManager
MFSA 2008-54 Buffer overflow in http-index-format parser
MFSA 2008-53 XSS and JavaScript privilege escalation via session restore
MFSA 2008-52 Crashes with evidence of memory corruption (rv:1.9.0.4/1.8.1.18)
MFSA 2008-50 Crash and remote code execution via __proto__ tampering
MFSA 2008-49 Arbitrary code execution via Flash Player dynamic module unloading
MFSA 2008-48 Image stealing via canvas and HTTP redirect
MFSA 2008-47 Information stealing via local shortcut files

For more info, see http://www.mozilla.com/en-US/firefox/2.0.0.18/releasenotes/