A mariadb-10.3 security update has been released for Debian GNU/Linux 10 LTS to address a major performance/memory consumption issue.

DLA 3337-1: mariadb-10.3 security update

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Debian LTS Advisory DLA-3337-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Otto Kekäläinen
February 23, 2023   https://wiki.debian.org/LTS
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Package : mariadb-10.3
Version : 1:10.3.38-0+deb10u1
Debian Bug : 1008629

A new MariaDB minor maintenance release 10.3.38 has been released. It
includes fix for a major performance/memory consumption issue (MDEV-29988).

For further details, see the MariaDB 10.3 release notes:

  https://mariadb.com/kb/en/mariadb-10-3-37-release-notes/
  https://mariadb.com/kb/en/mariadb-10-3-38-release-notes/

For Debian 10 buster, this problem has been fixed in version
1:10.3.38-0+deb10u1.

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/mariadb-10.3

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