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 These new images superseded the existing images [2].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:
 * curl: 7.47.0-1ubuntu2.15 => 7.47.0-1ubuntu2.16 


The following is a complete changelog for this image.
new: {}
removed: {}
changed: ['curl', 'libcurl3-gnutls:amd64']
new snaps: {}
removed snaps: {}
changed snaps: []
==== curl: 7.47.0-1ubuntu2.15 => 7.47.0-1ubuntu2.16 ====
====     curl libcurl3-gnutls:amd64
  * SECURITY UPDATE: wrong connect-only connection
    - debian/patches/CVE-2020-8231.patch: remember last connection by id,
      not by pointer in lib/connect.c, lib/easy.c, lib/multi.c, lib/url.c,
      lib/urldata.h.
    - CVE-2020-8231

--
[1] http://cloud-images.ubuntu.com/releases/xenial/release-20200820/
[2] http://cloud-images.ubuntu.com/releases/xenial/release-20200814/