MySQL 5.6 Release Notes
MySQL 5.6.51 is the last release of the MySQL 5.6 series.
The linked OpenSSL library for MySQL Server has been updated to version 1.1.1i. Issues fixed in the new OpenSSL version are described at https://www.openssl.org/news/cl111.txt and https://www.openssl.org/news/vulnerabilities.html. (Bug #32260610)
InnoDB: The full-text search synchronization thread attempted to read a previously-freed word from the index cache. (Bug #31310404)
The server did not handle all cases of the
WHERE_CONDITION optimization correctly.
(Bug #31905199)
Privileges for some
INFORMATION_SCHEMA tables were
checked incorrectly.
(Bug #31553323)
In certain cases, the server did not handle multiply-nested subqueries correctly. (Bug #31472704)
A buffer overflow in the client library was fixed. (Bug #30885987)