Debian DSA-4521-1: Critical Docker.io Security Advisory on Vulnerabilities

Three security vulnerabilities have been discovered in the Docker
container runtime: Insecure loading of NSS libraries in "docker cp"
could result in execution of code with root privileges, sensitive data
could be logged in debug mode and there was a command injection
vulnerability in the "docker build" command.

For the stable distribution (buster), these problems have been fixed in
version 18.09.1+dfsg1-7.1+deb10u1.

We recommend that you upgrade your docker.io packages.

For the detailed security status of docker.io please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/docker.io

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/