A new release of the Ubuntu Cloud Images for stable Ubuntu release 18.04 LTS (Bionic Beaver) 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 These new images superseded the existing images [2].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: 4.15.0.123.110 => 4.15.0.124.111 
 * linux-signed: 4.15.0-123.126 => 4.15.0-124.127 
 * openldap: 2.4.45+dfsg-1ubuntu1.7 => 2.4.45+dfsg-1ubuntu1.8 


The following is a complete changelog for this image.
new: {'linux-modules-4.15.0-124-generic': '4.15.0-124.127', 'linux-headers-4.15.0-124': '4.15.0-124.127', 'linux-headers-4.15.0-124-generic': '4.15.0-124.127'}
removed: {'linux-headers-4.15.0-123': '4.15.0-123.126', 'linux-modules-4.15.0-123-generic': '4.15.0-123.126', 'linux-headers-4.15.0-123-generic': '4.15.0-123.126'}
changed: ['libldap-2.4-2:amd64', 'libldap-common', 'linux-headers-generic', 'linux-headers-virtual', 'linux-image-4.15.0-124-generic', 'linux-image-virtual', 'linux-virtual']
new snaps: {}
removed snaps: {}
changed snaps: []
==== linux-meta: 4.15.0.123.110 => 4.15.0.124.111 ====
====     linux-headers-generic linux-headers-virtual linux-image-virtual linux-virtual
  * Bump ABI 4.15.0-124
  * Packaging resync (LP: #1786013)
    - [Packaging] resync debian/dkms-versions from main package
==== linux-signed: 4.15.0-123.126 => 4.15.0-124.127 ====
====     linux-image-4.15.0-124-generic
  * Master version: 4.15.0-124.127
==== openldap: 2.4.45+dfsg-1ubuntu1.7 => 2.4.45+dfsg-1ubuntu1.8 ====
====     libldap-2.4-2:amd64 libldap-common
  * SECURITY UPDATE: assertion failure in Certificate List syntax
    validation
    - debian/patches/CVE-2020-25709.patch: properly handle error in
      servers/slapd/schema_init.c.
    - CVE-2020-25709
  * SECURITY UPDATE: assertion failure in CSN normalization with invalid
    input
    - debian/patches/CVE-2020-25710.patch: properly handle error in
      servers/slapd/schema_init.c.
    - CVE-2020-25710

--
[1] http://cloud-images.ubuntu.com/releases/bionic/release-20201117/
[2] http://cloud-images.ubuntu.com/releases/bionic/release-20201112/