mate-screensaver-dbgsym 1.17.0-0ubuntu1 (amd64 binary) in ubuntu zesty

 mate-screensaver is a screen saver and locker that aims to have simple,
 sane and secure defaults, and be well integrated with the MATE desktop.
 .
 It is designed to support, among other things:
 .
  * the ability to lock down configuration settings
  * translation into other languages
  * user switching