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MySQL Community Server 5.5.61 has been released




Dear MySQL users,

MySQL Server 5.5.61 is a new version of the 5.5 production release of
the world's most popular open source database. MySQL 5.5.61 is
recommended for use on production systems.

MySQL 5.5 includes several high-impact enhancements to improve the
performance and scalability of the MySQL Database, taking advantage of
the latest multi-CPU and multi-core hardware and operating systems. In
addition, with release 5.5, InnoDB is now the default storage engine for
the MySQL Database, delivering ACID transactions, referential integrity
and crash recovery by default.

MySQL 5.5 also provides a number of additional enhancements including:

  - Significantly improved performance on Windows, with various Windows
    specific features and improvements
  - Higher availability, with new semi-synchronous replication and
    Replication Heartbeat
  - Improved usability, with Improved index and table partitioning,
    SIGNAL/RESIGNAL support and enhanced diagnostics, including a new
    Performance Schema monitoring capability.

For a more complete look at what's new in MySQL 5.5, please see the
following resources:

Documentation:

  http://dev.mysql.com/doc/refman/5.5/en/mysql-nutshell.html

If you are running a MySQL production level system, we would like to
direct your attention to MySQL Enterprise Edition, which includes the
most comprehensive set of MySQL production, backup, monitoring,
modeling, development, and administration tools so businesses can
achieve the highest levels of MySQL performance, security and uptime.

  http://mysql.com/products/enterprise/

For information on installing MySQL 5.5.61 on new servers, please see
the MySQL installation documentation at

  http://dev.mysql.com/doc/refman/5.5/en/installing.html

For upgrading from previous MySQL releases, please see the important
upgrade considerations at:

  http://dev.mysql.com/doc/refman/5.5/en/upgrading.html

MySQL Database 5.5.61 is available in source and binary form for a
number of platforms from our download pages at:

  http://dev.mysql.com/downloads/mysql/

The following link lists the changes in the MySQL source code since the
previous released version of MySQL 5.5. It may also be viewed online at:

  http://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-61.html

Enjoy!

Changes in MySQL 5.5.61 (2018-07-27, General availability)

Bugs Fixed

     * A heap overflow vulnerability in the MySQL client library
       was fixed. (Bug #27980823)

     * An unencrypted connection could result from a client
       connection attempt specifying that an encrypted
       connection was required, if the server was not configured
       to support SSL. (Bug #27759871)

     * With automatic_sp_privileges enabled, the EXECUTE and
       ALTER ROUTINE privileges were not correctly granted to
       routine creators. (Bug #27407480)

     * Mishandling of internal privilege structures could cause
       a server exit. (Bug #27230925)

     * The UNION of a user-defined variable and a DECIMAL column
       produced an incorrect result when using a UTF8 character
       set. (Bug #27197235)

     * mysqldump exited abnormally for large --where option
       values. (Bug #26171967, Bug #86496, Bug #27510150)

     * For MyISAM tables, particular sequences of INSERT and
       DELETE statements could cause table corruption.
       (Bug #25541037)

On Behalf of the MySQL/Oracle Release Engineering Team,
Hery Ramilison

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