Ubuntu 19.04: USN-3991-3 Critical: Firefox Regression Fix

ubuntu

June 14, 2019

USN-3991-2 caused a regression in Firefox

Summary

USN-3991-2 caused a regression in Firefox

Software Description:

- firefox: Mozilla Open Source web browser

Details:

USN-3991-1 fixed vulnerabilities in Firefox, and USN-3991-2 fixed a

subsequent regression. The update caused an additional regression that

resulted in Firefox failing to load correctly after executing it in safe

mode. 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 cause a denial of service, spoof the browser

UI, trick the user in to launching local executable binaries, obtain

sensitive information, conduct cross-site scripting (XSS) attacks, or

execute arbitrary code. (CVE-2019-11691, CVE-2019-11692, CVE-2019-11693,

CVE-2019-11695, CVE-2019-11696, CVE-2019-11699, CVE-2019-11701,

CVE-2019-7317, CVE-2019-9800, CVE-2...

Read the Full Advisory

Topics Covered

security advisory denial of service update software fix firefox ubuntu regression

Update Instructions

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

Ubuntu 19.04:
  firefox                         67.0.2+build2-0ubuntu0.19.04.1

Ubuntu 18.10:
  firefox                         67.0.2+build2-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
  firefox                         67.0.2+build2-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
  firefox                         67.0.2+build2-0ubuntu0.16.04.1

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