libraries/common.inc.php in phpMyAdmin 4.0.x before 4.0.10.13, 4.4.x before 4.4.15.3, and 4.5.x before 4.5.4 does not use a constant-time algorithm for comparing CSRF tokens, which makes it easier for remote attackers to bypass intended access restrictions by measuring time differences.
https://github.com/phpmyadmin/phpmyadmin/commit/ec0e88e37ef30a66eada1c072953f4ec385a3e49
http://www.phpmyadmin.net/home_page/security/PMASA-2016-5.php
http://www.debian.org/security/2016/dsa-3627
http://lists.opensuse.org/opensuse-updates/2016-02/msg00049.html
http://lists.opensuse.org/opensuse-updates/2016-02/msg00028.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176739.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176483.html