Ubuntu Security Notice USN-4589-1
October 15, 2020
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 LTS
containerd could be made to expose sensitive information over the
– containerd: daemon to control containers
It was discovered that containerd could be made to expose sensitive
information when processing URLs in container image manifests. A
remote attacker could use this to trick the user and obtain the
user’s registry credentials.
The problem can be corrected by updating your system to the following
Ubuntu 16.04 LTS:
After a standard system update you need to restart containerd to make
all the necessary changes.