> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/release-notes/enterprise-server/old-releases/10.3/10.3.17-2.md). # Release Notes for MariaDB Enterprise Server 10.3.17-2 This second release of [MariaDB Enterprise Server](/docs/server/architecture/topologies/single-node-topologies/enterprise-server.md) 10.3 is a maintenance release, addressing security vulnerabilities and including a variety of fixes. MariaDB Enterprise Server 10.3.17-2 was released on 2019-08-19. ## Fixed Security Vulnerabilities | CVE (with [cve.org](https://cve.mitre.org/) link) | CVSS base score | | ----------------------------------------------------------------------------- | --------------- | | [CVE-2019-2805](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2805) | 6.5 | | [CVE-2019-2740](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2740) | 6.5 | | [CVE-2019-2758](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2758) | 5.5 | | [CVE-2019-2739](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2739) | 5.1 | | [CVE-2019-2737](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2737) | 4.9 | | [CVE-2021-2007](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2007) | 3.7 | | [CVE-2020-2922](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2922) | 3.7 | ## Notable Changes * Merge relevant [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) changes from MySQL 5.7.27 * Compatibility change: Change [innodb\_log\_optimize\_ddl](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_log_optimize_ddl) to `OFF` by default * Compatibility change: Change [innodb\_adaptive\_hash\_index](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_adaptive_hash_index) to `OFF` by default * Adjust spin loops to the x86 PAUSE instruction latency * Merge upstream changes from [MyRocks](/docs/server/server-usage/storage-engines/myrocks.md) ([MDEV-19795](https://jira.mariadb.org/browse/MDEV-19795)) * [DISKS](/docs/server/reference/plugins/other-plugins/disks-plugin.md) plugin now requires the [FILE](/docs/server/reference/sql-statements/account-management-sql-statements/grant.md#file) privilege to display information in the disks table in the information schema; the table will otherwise be empty ([MDEV-18328](https://jira.mariadb.org/browse/MDEV-18328)) ## Issues Fixed * [SERVER\_AUDIT](/docs/server/reference/plugins/mariadb-audit-plugin.md) does not work with the PS protocol * Removed [--rsync](/docs/server/server-usage/backup-and-restore/mariadb-backup/mariadb-backup-options.md#rsync) legacy option from enterprise build of [MariaDB Backup](/docs/server/server-usage/backup-and-restore/mariadb-backup.md) * Changes to `mysql_install_db` script text * `DROP TABLE IF EXISTS` killed on master but was replicated ([MDEV-20348](https://jira.mariadb.org/browse/MDEV-20348)) * Post-merge fixes for `rocksdb.group_min_max` test ([MDEV-20113](https://jira.mariadb.org/browse/MDEV-20113)) * Replication hangs with "preparing" and never starts ([MDEV-20247](https://jira.mariadb.org/browse/MDEV-20247)) * Failing assertion when REDO log files reach 512Gb while preparing backup ([MDEV-20060](https://jira.mariadb.org/browse/MDEV-20060)) * Temporary tables created with data-at-rest encryption are not fully encrypted ([MDEV-17228](https://jira.mariadb.org/browse/MDEV-17228)) * [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) bugs related to creating tables ([MDEV-19292](https://jira.mariadb.org/browse/MDEV-19292), [MDEV-20102](https://jira.mariadb.org/browse/MDEV-20102)) * [ALTER TABLE](/docs/server/reference/sql-statements/data-definition/alter/alter-table.md) for InnoDB can result in a crash in some cases ([MDEV-15641](https://jira.mariadb.org/browse/MDEV-15641)) * Failing tests in buildbot related to `FULLTEXT INDEX` ([MDEV-14154](https://jira.mariadb.org/browse/MDEV-14154)) * Server startup bug with encrypted [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) table ([MDEV-19914](https://jira.mariadb.org/browse/MDEV-19914)) * Possible crash when [Galera](https://mariadb.com/docs/galera-cluster/) and foreign key is used, if the referenced record is deleted at the same time ([MDEV-19660](https://jira.mariadb.org/browse/MDEV-19660)) * Recovery with [mariadb backup](/docs/server/server-usage/backup-and-restore/mariadb-backup.md) crash related to InnoDB with custom innodb\_data\_file\_path ([MDEV-19978](https://jira.mariadb.org/browse/MDEV-19978)) * Add page-id matching check in [innochecksum](/docs/server/clients-and-utilities/administrative-tools/innochecksum.md) tool ([MDEV-19871](https://jira.mariadb.org/browse/MDEV-19871)) * `DROP TEMPORARY` table is logged despite no CREATE being logged in the binary log ([MDEV-20091](https://jira.mariadb.org/browse/MDEV-20091)) * `mysql_upgrade_service` throws exception upgrading from 10.0 to 10.3 ([MDEV-19427](https://jira.mariadb.org/browse/MDEV-19427)) * Loading the `AUDIT` plugin causes performance regression ([MDEV-18661](https://jira.mariadb.org/browse/MDEV-18661)) * [REPLACE](/docs/server/reference/sql-statements/data-manipulation/changing-deleting-data/replace.md) on table with virtual\_field can cause crash ([MDEV-19771](https://jira.mariadb.org/browse/MDEV-19771)) * Fix Aria ER\_CRASHED\_ON\_USAGE and Assertion ([MDEV-19595](https://jira.mariadb.org/browse/MDEV-19595)) * Test change: `innodb.trx_id_future` fails on 10.3+ ([MDEV-20138](https://jira.mariadb.org/browse/MDEV-20138)) * Possible foreign key corruption for `ALTER TABLE ... ADD COLUMN` with InnoDB ([MDEV-19630](https://jira.mariadb.org/browse/MDEV-19630)) * Corruption after instant `ADD` or `DROP` when the index tree shrinks ([MDEV-19916](https://jira.mariadb.org/browse/MDEV-19916)) * Cannot load compressed [BLOB](/docs/server/reference/data-types/string-data-types/blob.md) with [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) ([MDEV-19974](https://jira.mariadb.org/browse/MDEV-19974)) * Bug in versioned tables when deleting history ([MDEV-19814](https://jira.mariadb.org/browse/MDEV-19814)) * Compressed columns cannot be restored from dump ([MDEV-17363](https://jira.mariadb.org/browse/MDEV-17363)) * Bugs in [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) related to indexed virtual columns ([MDEV-16222](https://jira.mariadb.org/browse/MDEV-16222), [MDEV-17005](https://jira.mariadb.org/browse/MDEV-17005), [MDEV-19870](https://jira.mariadb.org/browse/MDEV-19870)) ## Interface Changes * [mariadb backup](/docs/server/server-usage/backup-and-restore/mariadb-backup.md) --rsync option removed * [mysqld](/docs/server/server-management/starting-and-stopping-mariadb/mariadbd.md) [--innodb-encrypt-temporary-tables](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_encrypt_temporary_tables) option added * [mysqld](/docs/server/server-management/starting-and-stopping-mariadb/mariadbd.md) [--rocksdb-cache-dump](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_cache_dump) option added * [mysqld](/docs/server/server-management/starting-and-stopping-mariadb/mariadbd.md) [--rocksdb-cache-high-pri-pool-ratio](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_cache_high_pri_pool_ratio) option added * [mysqld](/docs/server/server-management/starting-and-stopping-mariadb/mariadbd.md) [--rocksdb-cache-index-and-filter-with-high-priority](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_cache_index_and_filter_with_high_priority) option added * [mysqld](/docs/server/server-management/starting-and-stopping-mariadb/mariadbd.md) [--rocksdb-delete-cf](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_delete_cf) option added * [mysqld](/docs/server/server-management/starting-and-stopping-mariadb/mariadbd.md) [--rocksdb-enable-insert-with-update-caching](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_enable_insert_with_update_caching) option added * [mysqld](/docs/server/server-management/starting-and-stopping-mariadb/mariadbd.md) [--rocksdb-read-free-rpl-tables](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_read_free_rpl_tables) option removed * [mysqld](/docs/server/server-management/starting-and-stopping-mariadb/mariadbd.md) [--rocksdb-rollback-on-timeout](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_rollback_on_timeout) option added * [mysqld](/docs/server/server-management/starting-and-stopping-mariadb/mariadbd.md) [--rocksdb-stats-level](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_stats_level) option added * [Innodb\_encryption\_n\_temp\_blocks\_decrypted](/docs/server/ha-and-performance/optimization-and-tuning/system-variables/innodb-status-variables.md#innodb_encryption_n_temp_blocks_decrypted) status variable added * [Innodb\_encryption\_n\_temp\_blocks\_encrypted](/docs/server/ha-and-performance/optimization-and-tuning/system-variables/innodb-status-variables.md#innodb_encryption_n_temp_blocks_encrypted) status variable added * [wsrep\_applier\_thread\_count](/docs/galera-cluster/reference/galera-cluster-status-variables.md) status variable added * [wsrep\_rollbacker\_thread\_count](/docs/galera-cluster/reference/galera-cluster-status-variables.md) status variable added * [innodb\_encrypt\_temporary\_tables](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_encrypt_temporary_tables) system variable added * [rocksdb\_cache\_dump](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_cache_dump) system variable added * [rocksdb\_cache\_high\_pri\_pool\_ratio](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_cache_high_pri_pool_ratio) system variable added * [rocksdb\_cache\_index\_and\_filter\_with\_high\_priority](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_cache_index_and_filter_with_high_priority) system variable added * [rocksdb\_delete\_cf](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_delete_cf) system variable added * [rocksdb\_enable\_insert\_with\_update\_caching](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_enable_insert_with_update_caching) system variable added * [rocksdb\_read\_free\_rpl\_tables](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_read_free_rpl_tables) system variable removed * [rocksdb\_rollback\_on\_timeout](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_rollback_on_timeout) system variable added * [rocksdb\_stats\_level](/docs/server/server-usage/storage-engines/myrocks/myrocks-system-variables.md#rocksdb_stats_level) system variable added ## Platforms In alignment with the [enterprise lifecycle](/docs/release-notes/enterprise-server/about/enterprise-server-lifecycle.md), MariaDB Enterprise Server 10.3.17-2 is provided for: * CentOS 7 * CentOS 6 * Debian 9 * Debian 8 * Red Hat Enterprise Linux 7 * Red Hat Enterprise Linux 6 * Ubuntu 18.04 * Ubuntu 16.04 * Microsoft Windows Some components of MariaDB Enterprise Server might not support all platforms. For additional information, see "[MariaDB Corporation Engineering Policies](https://mariadb.com/engineering-policies)". {% hint style="info" %} **Note** CentOS 6, Debian 8, and Red Hat Enterprise Linux 6 are no longer supported as per the [MariaDB Engineering Policy](https://mariadb.com/engineering-policies). Older releases are available from the [MariaDB Downloads page](https://mariadb.com/downloads). Instructions for installation are included as a `README` file within the download. {% endhint %} *This page is: Copyright © 2025 MariaDB. All rights reserved.* {% @marketo/form formid="4316" formId="4316" %}