databases/mysql55-client and databases/mysql55-server needs to be updated to 5.5.57 $ pkg audit mysql55-server-5.5.56 is vulnerable: MySQL -- multiple vulnerabilities CVE: CVE-2017-3653 CVE: CVE-2017-3652 CVE: CVE-2017-3651 CVE: CVE-2017-3650 CVE: CVE-2017-3649 CVE: CVE-2017-3648 CVE: CVE-2017-3647 CVE: CVE-2017-3646 CVE: CVE-2017-3645 CVE: CVE-2017-3644 CVE: CVE-2017-3643 CVE: CVE-2017-3642 CVE: CVE-2017-3641 CVE: CVE-2017-3640 CVE: CVE-2017-3639 CVE: CVE-2017-3638 CVE: CVE-2017-3637 CVE: CVE-2017-3636 CVE: CVE-2017-3635 CVE: CVE-2017-3634 CVE: CVE-2017-3633 CVE: CVE-2017-3529 WWW: https://vuxml.FreeBSD.org/freebsd/cda2f3c2-6c8b-11e7-867f-b499baebfeaf.html
The original (and now parent) tracking issue is bug 220849
Patch ready at bug #220849, comment #7