Version: (using KDE 4.2.1) Installed from: Debian testing/unstable Packages https://bugs.kde.org/page.cgi?id=fields.html#bug_severity calls the second-most severe severity (no pun intended ;) "Critical". In the drop-down on a bug's detail page, it's called "Grave".
Thanks *** This bug has been marked as a duplicate of bug 201686 ***