[USN-2571-1] Firefox vulnerability

[Chris Coulson]

==========================================================================
Ubuntu Security Notice USN-2571-1
April 24, 2015

firefox vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.04
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Firefox could be made to crash or run programs as your login if it
opened a malicious website.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

Robert Kaiser discovered a use-after-free during plugin initialization in
some circumstances. If a user were tricked in to opening a specially
crafted website, an attacker could potentially exploit this to cause a
denial of service via application crash or execute arbitrary code with the
privileges of the user invoking Firefox. (CVE-2015-2706)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 15.04:
  firefox                         37.0.2+build1-0ubuntu0.15.04.1

Ubuntu 14.10:
  firefox                         37.0.2+build1-0ubuntu0.14.10.1

Ubuntu 14.04 LTS:
  firefox                         37.0.2+build1-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
  firefox                         37.0.2+build1-0ubuntu0.12.04.1

After a standard system update you need to restart Firefox to make
all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-2571-1
  CVE-2015-2706

Package Information:
  https://launchpad.net/ubuntu/+source/firefox/37.0.2+build1-0ubuntu0.15.04.1
  https://launchpad.net/ubuntu/+source/firefox/37.0.2+build1-0ubuntu0.14.10.1
  https://launchpad.net/ubuntu/+source/firefox/37.0.2+build1-0ubuntu0.14.04.1
  https://launchpad.net/ubuntu/+source/firefox/37.0.2+build1-0ubuntu0.12.04.1


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