Das Open-Source Datenbanksystem, MariaDB, was als Fork von MySQL entstand erhielt einen Bugfix Release in Version 10.1.21. Die aktuelle Stable Version der 10. Serie erhielt 2 wesentliche Bugfixe, sowie 11 Fixe bei Sicherheitsproblemen.

MariaDB 10.1.21 Release Notes

• Innodb updated to 5.6.35
  • A file format compatibility bug that was introduced in MariaDB 10.1.0 was fixed. Using page_compressionor non-default innodb_page_size created files that were incompatible with MariaDB 10.0 or MySQL 5.6.MariaDB 10.1.21 will convert affected files from earlier MariaDB 10.1 releases to compatible format. This prevents a downgrade to earlier MariaDB 10.1 versions. See the commit for details.
• Performance Schema updated to 5.6.35

• Fixes for the following security vulnerabilities:
  • CVE-2016-6664
  • CVE-2017-3238
  • CVE-2017-3243
  • CVE-2017-3244
  • CVE-2017-3257
  • CVE-2017-3258
  • CVE-2017-3265
  • CVE-2017-3291
  • CVE-2017-3312
  • CVE-2017-3317
  • CVE-2017-3318

https://mariadb.com/kb/en/mariadb/mariadb-10121-release-notes/

MariaDB 10.1.21 Changelog: https://mariadb.com/kb/en/mariadb/mariadb-10121-changelog/