Release Notes for MariaDB Enterprise Server 10.3.20-4
This fourth release of MariaDB Enterprise Server 10.3 is a maintenance release, including a variety of fixes.
MariaDB Enterprise Server 10.3.20-4 was released on 2019-11-18.
Fixed Security Vulnerabilities
CVE (with cve.mitre.org link)
CVSS base score
innodb_change_buffer_dumpadded to Debug builds. This option dumps the contents of the InnoDB change buffer to the server error log at startup. This is useful when a slow shutdown cannot be performed successfully. (MDEV-20864)
Can result in data loss
Conditions which must be present to trigger this bug:
mariabackup is executed on the MariaDB Server host, and
Configuration files from the master are used, and
Configuration files enable binary logging
If unable to upgrade to MariaDB Enterprise Server 10.3.20-4, where this bug is fixed, a workaround is available: use the
--defaultsoption to mariabackup to avoid the bug-triggering conditions by specifying a different configuration file.
Can result in crashes, hangs, stalls
Removal of a virtual column used by an index can result in a crash. (MENT-434)
Can result in unexpected behavior
mysqld_multi.shscript could not be launched and returned a syntax error. (MENT-433)
WARN_INNODB_PARTITION_OPTION_IGNOREDerror code added
In alignment to the enterprise lifecycle, MariaDB Enterprise Server 10.3.20-4 is provided for:
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 6
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server 12
Some components of MariaDB Enterprise Server might not support all platforms. For additional information, see "MariaDB Corporation Engineering Policies".