Debian 10 Buster DLA-3722-1 critical: MariaDB 10.3 DoS threat

A vulnerability was fixed in MariaDB, a database suite.
This vulnerability allowed a high privileged attacker
with network access to compromise a MariaDB Server.
Successful attacks of this vulnerability can
result in unauthorized ability to cause a hang
or frequently repeatable crash.

The main risk was a complete DOS of the sever.

For Debian 10 buster, this problem has been fixed in version
1:10.3.39-0+deb10u2.

We recommend that you upgrade your mariadb-10.3 packages.

For the detailed security status of mariadb-10.3 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker

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