Aurora MySQL database engine updates 2020-11-24 (version 1.23.1) - Amazon Aurora

Aurora MySQL database engine updates 2020-11-24 (version 1.23.1)

Version: 1.23.1

Aurora MySQL 1.23.1 is generally available. Aurora MySQL 1.* versions are compatible with MySQL 5.6 and Aurora MySQL 2.* versions are compatible with MySQL 5.7.

Currently supported Aurora MySQL releases for upgrade to 1.23.1 are 1.14.*, 1.15.*, 1.16.*, 1.17.*, 1.18.*, 1.19.*, 1.20.*, 1.21.*, 1.22.*, and 1.23.*.

To create a cluster with an older version of Aurora MySQL, specify the engine version through the RDS Console, the AWS CLI, or the Amazon RDS API.

If you have any questions or concerns, AWS Support is available on the community forums and through AWS Premium Support. For more information, see Maintaining an Amazon Aurora DB cluster.

Improvements

Security fixes:

Fixes and other enhancements to fine-tune handling in a managed environment. Additional CVE fixes below:

Incompatible changes:

This version introduces a permission change that affects the behavior of the mysqldump command. Users must have the PROCESS privilege to access the INFORMATION_SCHEMA.FILES table. To run the mysqldump command without any changes, grant the PROCESS privilege to the database user that the mysqldump command connects to. You can also run the mysqldump command with the --no-tablespaces option. With that option, the mysqldump output doesn't include any CREATE LOGFILE GROUP or CREATE TABLESPACE statements. In that case, the mysqldump command doesn't access the INFORMATION_SCHEMA.FILES table, and you don't need to grant the PROCESS permission.

Availability improvements:

  • Fixed an issue that causes an Aurora reader instance in a global database secondary cluster running 1.23.0 to restart repeatedly.

  • Fixed an issue where a global database secondary Region's replicas might restart when upgraded to release 1.23.0 while the primary Region writer was on an older release version.

  • Fixed a memory leak in dynamic resizing feature, introduced in Aurora MySQL 1.23.0.

  • Fixed an issue that might cause server restart during execution of a query using the parallel query feature.

  • Fixed an issue that might cause a client session to hang when the database engine encounters an error while reading from or writing to the network.