A new release of the Ubuntu Cloud Images for stable Ubuntu release 16.04 LTS (Xenial Xerus) is available at [1]. These new images superseded the existing images [2]. Images are available for download or immediate use on EC2 via publish AMI ids. Users who wish to update their existing installations can do so with:
   'sudo apt-get update && sudo apt-get dist-upgrade && sudo reboot'.

The following packages have been updated. Please see the full changelogs
for a complete listing of changes:
 * linux-meta: 4.4.0.186.192 => 4.4.0.187.193 
 * linux-signed: 4.4.0-186.216 => 4.4.0-187.217 
 * software-properties: 0.96.20.9 => 0.96.20.10 


The following is a complete changelog for this image.
new: {'linux-modules-4.4.0-187-generic': '4.4.0-187.217', 'linux-headers-4.4.0-187-generic': '4.4.0-187.217', 'linux-headers-4.4.0-187': '4.4.0-187.217'}
removed: {'linux-modules-4.4.0-186-generic': '4.4.0-186.216', 'linux-headers-4.4.0-186-generic': '4.4.0-186.216', 'linux-headers-4.4.0-186': '4.4.0-186.216'}
changed: ['linux-headers-generic', 'linux-headers-virtual', 'linux-image-4.4.0-187-generic', 'linux-image-virtual', 'linux-virtual', 'python3-software-properties', 'software-properties-common']
new snaps: {}
removed snaps: {}
changed snaps: []
==== linux-meta: 4.4.0.186.192 => 4.4.0.187.193 ====
====     linux-headers-generic linux-headers-virtual linux-image-virtual linux-virtual
  * Bump ABI 4.4.0-187
==== linux-signed: 4.4.0-186.216 => 4.4.0-187.217 ====
====     linux-image-4.4.0-187-generic
  * Master version: 4.4.0-187.217
==== software-properties: 0.96.20.9 => 0.96.20.10 ====
====     python3-software-properties software-properties-common
  * SECURITY UPDATE: malicious repo could send ANSI sequences to terminal
    (LP: #1890286)
    - add-apt-repository: strip ANSI sequences from the description.
    - CVE-2020-15709

--
[1] http://cloud-images.ubuntu.com/releases/xenial/release-20200814/
[2] http://cloud-images.ubuntu.com/releases/xenial/release-20200807/