iIn inetutils-telnetd, an implementation of a telnet daemon, arbitrary remote code execution might have been possible via short writes or urgent data.

For Debian 9 stretch, this problem has been fixed in version 2:1.9.4-2+deb9u1.

We recommend that you upgrade your inetutils-telnetd packages.

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

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