Debian: DSA-4685-1: apt security update
Summary
For the oldstable distribution (stretch), this problem has been fixed
in version 1.4.10.
For the stable distribution (buster), this problem has been fixed in
version 1.8.2.1.
We recommend that you upgrade your apt packages.
For the detailed security status of apt please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/apt
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/