Apply by doing:
	cd /usr/src
	patch -p0 < 016_kadmin.patch

If kadmind is running, kill it:
	kill `cat /var/run/kadmind.pid`

Rebuild and install kadmin and kadmind following these steps:
	cd kerberosIV/lib/sl
	make obj cleandir depend
	make
	cd ../../../kerberosV/lib/roken
	make obj cleandir depend
	make
	cd ../../libexec/kadmind
	make obj cleandir depend
	make && make install
	cd ../../usr.sbin/kadmin
	make obj cleandir depend
	make && make install

Restart kadmind if needed:
	/usr/libexec/kadmind &

Index: kerberosV/src/kadmin/version4.c
===================================================================
RCS file: /cvs/src/kerberosV/src/kadmin/version4.c,v
retrieving revision 1.1.1.1
retrieving revision 1.1.1.1.4.1
diff -u -r1.1.1.1 -r1.1.1.1.4.1
--- kerberosV/src/kadmin/version4.c	25 May 2001 07:49:46 -0000	1.1.1.1
+++ kerberosV/src/kadmin/version4.c	21 Oct 2002 19:50:16 -0000	1.1.1.1.4.1
@@ -822,6 +822,13 @@
     off += _krb5_get_int(msg + off, &rlen, 4);
     memset(&authent, 0, sizeof(authent));
     authent.length = message.length - rlen - KADM_VERSIZE - 4;
+
+    if(authent.length >= MAX_KTXT_LEN) {
+       krb5_warnx(context, "received bad rlen (%lu)", (unsigned long)rlen);
+       make_you_loose_packet (KADM_LENGTH_ERROR, reply);
+       return;
+    }
+
     memcpy(authent.dat, (char*)msg + off, authent.length);
     off += authent.length;