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==========================================================================
Ubuntu Security Notice USN-2538-1
March 22, 2015

firefox vulnerabilities
==========================================================================

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

- 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:

A flaw was discovered in the implementation of typed array bounds checking
in the Javascript just-in-time compilation. If a user were tricked in to
opening a specially crafted website, an attacked could exploit this to
execute arbitrary code with the privileges of the user invoking Firefox.
(CVE-2015-0817)

Mariusz Mlynski discovered a flaw in the processing of SVG format content
navigation. If a user were tricked in to opening a specially crafted
website, an attacker could exploit this to run arbitrary script in a
privileged context. (CVE-2015-0818)

Update instructions:

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

Ubuntu 14.10:
  firefox                         36.0.4+build1-0ubuntu0.14.10.1

Ubuntu 14.04 LTS:
  firefox                         36.0.4+build1-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
  firefox                         36.0.4+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-2538-1
  CVE-2015-0817, CVE-2015-0818

Package Information:
  https://launchpad.net/ubuntu/+source/firefox/36.0.4+build1-0ubuntu0.14.10.1
  https://launchpad.net/ubuntu/+source/firefox/36.0.4+build1-0ubuntu0.14.04.1
  https://launchpad.net/ubuntu/+source/firefox/36.0.4+build1-0ubuntu0.12.04.1



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