The Memcache module 5.x before 5.x-1.10 and 6.x before 6.x-1.6 for Drupal does not properly handle the $user object in memcache_admin, whic…

The Memcache module 5.x before 5.x-1.10 and 6.x before 6.x-1.6 for Drupal does not properly handle the $user object in memcache_admin, which might "lead to a role change not being recognized until the user logs in again."