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Ubuntu Security Notice USN-4028-1
June 20, 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

Summary:

Several security issues were fixed in Thunderbird.

Software Description:
- thunderbird: Mozilla Open Source mail and newsgroup client

Details:

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

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

References:
  https://usn.ubuntu.com/4028-1
  CVE-2019-11703, CVE-2019-11704, CVE-2019-11705, CVE-2019-11706

Package Information:
 
https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.1+build1-0ubuntu0.19.04.1
 
https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.1+build1-0ubuntu0.18.10.1
 
https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.1+build1-0ubuntu0.18.04.1
 
https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.1+build1-0ubuntu0.16.04.1