USN-4250-2: MariaDB vulnerability

6 February 2020

mariadb-10.1, mariadb-10.3 vulnerability

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

  • Ubuntu 19.10
  • Ubuntu 18.04 LTS


MariaDB clients could be made to crash if they received specially crafted input.

Software Description

  • mariadb-10.3 - MariaDB database
  • mariadb-10.1 - MariaDB database


It was discovered that an unspecified vulnerability existed in the C API component of MariaDB. An attacker could use this to cause a denial of service for MariaDB clients.

MariaDB has been updated to 10.3.22 in Ubuntu 19.10 and 10.1.44 in Ubuntu 18.04 LTS.

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 19.10
libmariadb3 - 1:10.3.22-0ubuntu0.19.10.1
libmariadbd19 - 1:10.3.22-0ubuntu0.19.10.1
mariadb-client - 1:10.3.22-0ubuntu0.19.10.1
mariadb-client-10.3 - 1:10.3.22-0ubuntu0.19.10.1
mariadb-client-core-10.3 - 1:10.3.22-0ubuntu0.19.10.1
mariadb-common - 1:10.3.22-0ubuntu0.19.10.1
mariadb-plugin-connect - 1:10.3.22-0ubuntu0.19.10.1
mariadb-plugin-cracklib-password-check - 1:10.3.22-0ubuntu0.19.10.1
mariadb-plugin-gssapi-client - 1:10.3.22-0ubuntu0.19.10.1
mariadb-plugin-gssapi-server - 1:10.3.22-0ubuntu0.19.10.1
mariadb-plugin-mroonga - 1:10.3.22-0ubuntu0.19.10.1
mariadb-plugin-oqgraph - 1:10.3.22-0ubuntu0.19.10.1
mariadb-plugin-rocksdb - 1:10.3.22-0ubuntu0.19.10.1
mariadb-plugin-spider - 1:10.3.22-0ubuntu0.19.10.1
mariadb-plugin-tokudb - 1:10.3.22-0ubuntu0.19.10.1
mariadb-server - 1:10.3.22-0ubuntu0.19.10.1
mariadb-server-10.3 - 1:10.3.22-0ubuntu0.19.10.1
mariadb-server-core-10.3 - 1:10.3.22-0ubuntu0.19.10.1
Ubuntu 18.04 LTS
libmariadbclient18 - 1:10.1.44-0ubuntu0.18.04.1
libmariadbd18 - 1:10.1.44-0ubuntu0.18.04.1
mariadb-client - 1:10.1.44-0ubuntu0.18.04.1
mariadb-client-10.1 - 1:10.1.44-0ubuntu0.18.04.1
mariadb-client-core-10.1 - 1:10.1.44-0ubuntu0.18.04.1
mariadb-common - 1:10.1.44-0ubuntu0.18.04.1
mariadb-plugin-connect - 1:10.1.44-0ubuntu0.18.04.1
mariadb-plugin-cracklib-password-check - 1:10.1.44-0ubuntu0.18.04.1
mariadb-plugin-gssapi-client - 1:10.1.44-0ubuntu0.18.04.1
mariadb-plugin-gssapi-server - 1:10.1.44-0ubuntu0.18.04.1
mariadb-plugin-mroonga - 1:10.1.44-0ubuntu0.18.04.1
mariadb-plugin-oqgraph - 1:10.1.44-0ubuntu0.18.04.1
mariadb-plugin-spider - 1:10.1.44-0ubuntu0.18.04.1
mariadb-plugin-tokudb - 1:10.1.44-0ubuntu0.18.04.1
mariadb-server - 1:10.1.44-0ubuntu0.18.04.1
mariadb-server-10.1 - 1:10.1.44-0ubuntu0.18.04.1
mariadb-server-core-10.1 - 1:10.1.44-0ubuntu0.18.04.1

To update your system, please follow these instructions:

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