Ubuntu 19.04: 4020-1 Severe: Firefox Denial Of Service Threat

ubuntu

June 19, 2019

Firefox could be made to crash or run programs as your login if it opened a malicious website.

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 type confusion bug was discovered in Firefox. If a user were tricked in

to opening a specially crafted website, an attacker could exploit this by

causing a denial of service, or executing arbitrary code.

Topics Covered

security advisory denial of service Ubuntu firefox type confusion

Update Instructions

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

Ubuntu 19.04:
  firefox                         67.0.3+build1-0ubuntu0.19.04.1

Ubuntu 18.10:
  firefox                         67.0.3+build1-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
  firefox                         67.0.3+build1-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
  firefox                         67.0.3+build1-0ubuntu0.16.04.1

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