Description

Ubuntu has issued updates for mozilla-browser, mozilla-mailnews and epiphany-browser. These fix some vulnerabilities, which can be exploited by malicious people to bypass certain security restrictions, conduct cross-site scripting and spoofing attacks, and compromise a user's system.

For more information:
SA15489
SA15551
SA15601
SA16059

These also fix some older vulnerabilities for Ubuntu 4.10, which can be exploited by malicious people to compromise a user's system.

Solution
Apply updated packages.
Further details available to Secunia VIM customers

Changelog
Further details available to Secunia VIM customers

Original Advisory
http://www.ubuntulinux.org/support/documentation/usn/usn-155-1
http://www.ubuntulinux.org/support/documentation/usn/usn-155-2
http://www.ubuntu.com/usn/usn-155-3

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers