A MariaDB security update has been released for Ubuntu 20.04 LTS and 21.10.

==========================================================================
Ubuntu Security Notice USN-5305-1
February 28, 2022

mariadb-10.3, mariadb-10.5 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.10
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in MariaDB.

Software Description:
- mariadb-10.5: MariaDB database
- mariadb-10.3: MariaDB database

Details:

Several security issues were discovered in MariaDB and this update includes
new upstream MariaDB versions to fix these issues.

MariaDB has been updated to 10.3.34 in Ubuntu 20.04 LTS and to 10.5.15 in
Ubuntu 21.10.

In addition to security fixes, the updated packages contain bug fixes,
new features, and possibly incompatible changes.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 21.10:
mariadb-server 1:10.5.15-0ubuntu0.21.10.1

Ubuntu 20.04 LTS:
mariadb-server 1:10.3.34-0ubuntu0.20.04.1

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
  https://ubuntu.com/security/notices/USN-5305-1
CVE-2021-46659, CVE-2021-46661, CVE-2021-46663, CVE-2021-46664,
CVE-2021-46665, CVE-2021-46668, CVE-2022-24048, CVE-2022-24050,
CVE-2022-24051, CVE-2022-24052

Package Information:
  https://launchpad.net/ubuntu/+source/mariadb-10.5/1:10.5.15-0ubuntu0.21.10.1
  https://launchpad.net/ubuntu/+source/mariadb-10.3/1:10.3.34-0ubuntu0.20.04.1