An issue was discovered in phpMyAdmin. In the "User group" and "Designer" features, a user can execute an SQL injection attack against the account of the control user. All 4.6.x versions (prior to 4.6.4) and 4.4.x versions (prior to 4.4.15.8) are affected.
https://www.phpmyadmin.net/security/PMASA-2016-39
https://security.gentoo.org/glsa/201701-32
https://lists.debian.org/debian-lts-announce/2018/07/msg00006.html