Ubuntu 17.04 USN-3260-2 moderate: firefox regression issue

ubuntu

May 11, 2017

USN-3260-1 caused a regression in Firefox.

Summary

USN-3260-1 caused a regression in Firefox.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

USN-3260-1 fixed vulnerabilities in Firefox. The update caused the

date picker panel and form validation errors to close immediately on

opening. This update fixes the problem.

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 read uninitialized memory, obtain sensitive

information, spoof the addressbar contents or other UI elements, escape

the sandbox to read local files, conduct cross-site scripting (XSS)

attacks, cause a denial of service via application crash, or execute

arbitrary code. (CVE-2017-5429, CVE-2017-5430, CVE-2017-5432,

CVE-2017-5433, CVE-2017-5434, CVE-2017-5435, CVE-2017-5436, CVE-2017-5437,

CVE-2017-5438, CVE-2017-5439, CVE-2017-5440, ...

Read the Full Advisory

Topics Covered

security advisory security issue software update firefox ubuntu regression fix

Update Instructions

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

Ubuntu 17.04:
  firefox                         53.0.2+build1-0ubuntu0.17.04.2

Ubuntu 16.10:
  firefox                         53.0.2+build1-0ubuntu0.16.10.2

Ubuntu 16.04 LTS:
  firefox                         53.0.2+build1-0ubuntu0.16.04.2

Ubuntu 14.04 LTS:
  firefox                         53.0.2+build1-0ubuntu0.14.04.2

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