This update for mysql-community-server to version 5.6.40 fixes the following issues:

Security issues fixed:

- CVE-2018-2755: Unspecified vulnerability in the Replication component
- CVE-2018-2819: Unspecified vulnerability in the InnoDB component
- CVE-2018-2817: Unspecified vulnerability in the Server DDL component
- CVE-2018-2761: Unspecified vulnerability in the client programs
- CVE-2018-2818: Unspecified vulnerability in the Server Security Privileges component
- CVE-2018-2781: Unspecified vulnerability in the Server Optimizer component
- CVE-2018-2771: Unspecified vulnerability in the Server locking component
- CVE-2018-2813: Unspecified vulnerability in the Server DDL component
- CVE-2018-2773: Unspecified vulnerability in the client programs
- CVE-2018-2758: Unspecified vulnerability in the Server Security Privileges component
- CVE-2018-2805: Unspecified vulnerability in the GIS Extension
- CVE-2018-2782: Unspecified vulnerability in the InnoDB component
- CVE-2018-2784: Unspecified vulnerability in the InnoDB component
- CVE-2018-2787: Unspecified vulnerability in the InnoDB component
- CVE-2018-2766: Unspecified vulnerability in the InnoDB component

This update also contains all upstream fixes and improvement in the 5.6.40 release:
http://dev.mysql.com/doc/relnotes/mysql/5.6/en/news-5-6-40.html