This update for mariadb to version 10.2.22 fixes the following issues: Security issues fixed (bsc#1122198):
- CVE-2019-2510: Fixed a vulnerability which can lead to MySQL compromise and lead to Denial of Service. - CVE-2019-2537: Fixed a vulnerability which can lead to MySQL compromise and lead to Denial of Service.
Other issues fixed:
- Fixed an issue where mysl_install_db fails due to incorrect basedir (bsc#1127027). - Fixed an issue where the lograte was not working (bsc#1112767). - Backport Information Schema CHECK_CONSTRAINTS Table. - Maximum value of table_definition_cache is now 2097152. - InnoDB ALTER TABLE fixes. - Galera crash recovery fixes. - Encryption fixes. - Remove xtrabackup dependency as MariaDB ships a build in mariabackup so xtrabackup is not needed (bsc#1122475).
The complete changelog can be found at: https://mariadb.com/kb/en/library/mariadb-10222-changelog/