The Author Pane module provides information about users on a site. This module has integration with several other modules including the user locations of the Location module. If you enabled display of user locations the Author Pane module may have shown user locations to site visitors who did not have the permission βview all user locationsβ permission.
Drupal core is not affected. If you do not use the contributed Author Pane module, there is nothing you need to do.
Install the latest version:
See also the Author Pane project page.