SQL Injection

Hi All, Hopefully a quick one, is the SQL module still susceptible to SQL injection in version 3.2.1 of FreeRADIUS? I was having a look through implementing some anti SQL injection measures since I found a security notification on the FreeRADIUS site for it, but given that it is quite an old notification, is this still required? If it is, are there any recommended measures? Kind regards, Connor