It was discovered that there were a number of vulnerabilies in the xrdp Remote Desktop Protocol (RDP) server:
For Debian 10 Buster, these problems have been fixed in version 0.9.9-1+deb10u3.
We recommend that you upgrade your xrdp packages.
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS