+<p class="security">
+ <strong>Caution:</strong>
+ ngIRCd 20, 20.1, and 20.2 contain an error that could crash
+ the server daemon when the configuration option <q>NoticeAuth</q> is
+ enabled (which is <em>not</em> the default).
+ ngIRCd 20 and 20.1 both contain an additional error that allows
+ arbitrary users to crash the server daemon.
+ <strong>All installations should be updated to version 20.3 or
+ newer!</strong>
+</p>