[USN-3705-2] Firefox regressions

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[USN-3705-2] Firefox regressions

Chris Coulson-3
==========================================================================
Ubuntu Security Notice USN-3705-2
July 10, 2018

firefox regressions
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

USN-3705-1 caused some minor regressions in Firefox.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

USN-3705-1 fixed vulnerabilities in Firefox. The update introduced various
minor regressions. This update fixes the problems.

We apologize for the inconvenience.

Original advisory 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 cause a denial of service, read uninitialized
 memory, bypass same-origin restrictions, bypass CORS restrictions,
 bypass CSRF protections, obtain sensitive information, or execute
 arbitrary code. (CVE-2018-5156, CVE-2018-5186, CVE-2018-5187,
 CVE-2018-5188, CVE-2018-12358, CVE-2018-12359, CVE-2018-12360,
 CVE-2018-12361, CVE-2018-12362, CVE-2018-12363, CVE-2018-12364,
 CVE-2018-12365, CVE-2018-12366, CVE-2018-12367, CVE-2018-12370,
 CVE-2018-12371)
 
 A security issue was discovered with WebExtensions. If a user were
 tricked in to installing a specially crafted extension, an attacker
 could potentially exploit this to obtain full browser permissions.
 (CVE-2018-12369)

Update instructions:

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

Ubuntu 18.04 LTS:
  firefox                         61.0.1+build1-0ubuntu0.18.04.1

Ubuntu 17.10:
  firefox                         61.0.1+build1-0ubuntu0.17.10.1

Ubuntu 16.04 LTS:
  firefox                         61.0.1+build1-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  firefox                         61.0.1+build1-0ubuntu0.14.04.1

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

References:
  https://usn.ubuntu.com/usn/usn-3705-2
  https://usn.ubuntu.com/usn/usn-3705-1
  https://launchpad.net/bugs/1781009

Package Information:
  https://launchpad.net/ubuntu/+source/firefox/61.0.1+build1-0ubuntu0.18.04.1
  https://launchpad.net/ubuntu/+source/firefox/61.0.1+build1-0ubuntu0.17.10.1
  https://launchpad.net/ubuntu/+source/firefox/61.0.1+build1-0ubuntu0.16.04.1
  https://launchpad.net/ubuntu/+source/firefox/61.0.1+build1-0ubuntu0.14.04.1



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