Several issues have been discovered in the MySQL database server. The vulnerabilities are addressed by upgrading MySQL to a new upstream version, 5.5.33, which includes additional changes, such as performance improvements, bug fixes, new features, and possibly incompatible changes. Matthias Reichl reported that the mysql-5.5 package misses the patches applied previous in Debian"s mysql-5.1 to drop the database "test" and the permissions that allow anonymous access, without a password, from localhost to the "test" database and any databases starting with "test_". This update reintroduces these patches for the mysql-5.5 package. Existing databases and permissions are not touched. Please refer to the NEWS file provided with this update for further information.