The remote database server is affected by a Denial of Service (DoS) attack vector.
MariaDB is a community-developed fork of the MySQL relational database. The version of MariaDB installed on the remote host is 10.2.x earlier than 10.2.2, and is therefore affected by a flaw in 'sql/item_subselect.cc' that is triggered during the handling of specially crafted queries for non-existent functions. This may allow an authenticated attacker to crash the database. (OSVDB 143736)
Upgrade to version 10.2.2 or later.