USN-4028-1: Thunderbird vulnerabilities

20 June 2019

thunderbird vulnerabilities

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

  • Ubuntu 19.04
  • Ubuntu 18.10
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS


Several security issues were fixed in Thunderbird.

Software Description

  • thunderbird - Mozilla Open Source mail and newsgroup client


Multiple memory safety issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code.

Update instructions

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

Ubuntu 19.04
thunderbird - 1:60.7.1+build1-0ubuntu0.19.04.1
Ubuntu 18.10
thunderbird - 1:60.7.1+build1-0ubuntu0.18.10.1
Ubuntu 18.04 LTS
thunderbird - 1:60.7.1+build1-0ubuntu0.18.04.1
Ubuntu 16.04 LTS
thunderbird - 1:60.7.1+build1-0ubuntu0.16.04.1

To update your system, please follow these instructions:

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