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Ubuntu Security Notice USN-3216-1
March 07, 2017

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

- Ubuntu 16.10
- Ubuntu 16.04 LTS
- 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:

Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to bypass same origin restrictions, obtain
sensitive information, spoof the addressbar, spoof the print dialog,
cause a denial of service via application crash or hang, or execute
arbitrary code. (CVE-2017-5398, CVE-2017-5399, CVE-2017-5400,
CVE-2017-5401, CVE-2017-5402, CVE-2017-5403, CVE-2017-5404, CVE-2017-5405,
CVE-2017-5406, CVE-2017-5407, CVE-2017-5408, CVE-2017-5410, CVE-2017-5412,
CVE-2017-5413, CVE-2017-5414, CVE-2017-5415, CVE-2017-5416, CVE-2017-5417,
CVE-2017-5418, CVE-2017-5419, CVE-2017-5420, CVE-2017-5421, CVE-2017-5422,
CVE-2017-5426, CVE-2017-5427)

Update instructions:

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

Ubuntu 16.10:
  firefox                         52.0+build2-0ubuntu0.16.10.1

Ubuntu 16.04 LTS:
  firefox                         52.0+build2-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  firefox                         52.0+build2-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
  firefox                         52.0+build2-0ubuntu0.12.04.1

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

References:
  http://www.ubuntu.com/usn/usn-3216-1
  CVE-2016-5412, CVE-2017-5398, CVE-2017-5399, CVE-2017-5400,
  CVE-2017-5401, CVE-2017-5402, CVE-2017-5403, CVE-2017-5404,
  CVE-2017-5405, CVE-2017-5406, CVE-2017-5407, CVE-2017-5408,
  CVE-2017-5410, CVE-2017-5413, CVE-2017-5414, CVE-2017-5415,
  CVE-2017-5416, CVE-2017-5417, CVE-2017-5418, CVE-2017-5419,
  CVE-2017-5420, CVE-2017-5421, CVE-2017-5422, CVE-2017-5426,
  CVE-2017-5427

Package Information:
  https://launchpad.net/ubuntu/+source/firefox/52.0+build2-0ubuntu0.16.10.1
  https://launchpad.net/ubuntu/+source/firefox/52.0+build2-0ubuntu0.16.04.1
  https://launchpad.net/ubuntu/+source/firefox/52.0+build2-0ubuntu0.14.04.1
  https://launchpad.net/ubuntu/+source/firefox/52.0+build2-0ubuntu0.12.04.1