Beware of bugs in the above code; I have only proved it correct, not tried it.
Bugs in software are a fact of life. MySQL, as part of Oracle, issues of Critical Patch Updates and Security Alerts notices. You may have seen Daniel van Eeden‘s blog on the January announcement.
For MySQL 5.6 you should upgrade to 5.6.15
For MySQL 5.5 you should upgrade to 5.5.35
For MySQL 5.1 you should upgrade to 5.1.73
But you probably missed the executive summary.
But how do YOU get this information when it become available? Subscribe here for Critical Patch Update Alert E-mails. You will need an Oracle Technology Network account (free) and please note that there are more than just MySQL information in the alerts as it covers all Oracle products. It will take you just a few moments to sign up.