diff -Nru isc-dhcp-4.3.5/debian/changelog isc-dhcp-4.3.5/debian/changelog
--- isc-dhcp-4.3.5/debian/changelog	2018-04-01 05:37:25.000000000 +0000
+++ isc-dhcp-4.3.5/debian/changelog	2018-10-31 00:15:40.000000000 +0000
@@ -1,3 +1,11 @@
+isc-dhcp (4.3.5-4+rpi1) buster-staging; urgency=medium
+
+  * Add missing isc includes (Closes: 911975)
+    + Add #include <isc/boolean.h> to includes/tree.h and includes/omapip/omapip.h
+    + Add #include <isc/int.h> to includes/dhcpd.h
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Wed, 31 Oct 2018 00:15:40 +0000
+
 isc-dhcp (4.3.5-4) unstable; urgency=medium
 
   * Acknowledge and apply the non-maintainer upload.
diff -Nru isc-dhcp-4.3.5/debian/patches/add-isc-includes.patch isc-dhcp-4.3.5/debian/patches/add-isc-includes.patch
--- isc-dhcp-4.3.5/debian/patches/add-isc-includes.patch	1970-01-01 00:00:00.000000000 +0000
+++ isc-dhcp-4.3.5/debian/patches/add-isc-includes.patch	2018-10-31 00:15:40.000000000 +0000
@@ -0,0 +1,41 @@
+Description:  Add missing includes for isc types.
+Author: Peter Michael Green <plugwash@raspbian.org>
+Bug-Debian: https://bugs.debian.org/911975
+
+Index: isc-dhcp-4.3.5/includes/tree.h
+===================================================================
+--- isc-dhcp-4.3.5.orig/includes/tree.h
++++ isc-dhcp-4.3.5/includes/tree.h
+@@ -27,6 +27,8 @@
+  *
+  */
+ 
++#include <isc/boolean.h>
++
+ /* A pair of pointers, suitable for making a linked list. */
+ typedef struct _pair {
+ 	caddr_t car;
+Index: isc-dhcp-4.3.5/includes/dhcpd.h
+===================================================================
+--- isc-dhcp-4.3.5.orig/includes/dhcpd.h
++++ isc-dhcp-4.3.5/includes/dhcpd.h
+@@ -63,6 +63,7 @@
+ #endif
+ 
+ #include <isc/util.h>
++#include <isc/int.h>
+ 
+ #include <setjmp.h>
+ 
+Index: isc-dhcp-4.3.5/includes/omapip/omapip.h
+===================================================================
+--- isc-dhcp-4.3.5.orig/includes/omapip/omapip.h
++++ isc-dhcp-4.3.5/includes/omapip/omapip.h
+@@ -33,6 +33,7 @@
+ #include <stdarg.h>
+ 
+ #include <dns/tsec.h>
++#include <isc/boolean.h>
+ 
+ typedef unsigned int omapi_handle_t;
+ 
diff -Nru isc-dhcp-4.3.5/debian/patches/series isc-dhcp-4.3.5/debian/patches/series
--- isc-dhcp-4.3.5/debian/patches/series	2018-04-01 05:37:25.000000000 +0000
+++ isc-dhcp-4.3.5/debian/patches/series	2018-10-31 00:15:40.000000000 +0000
@@ -24,3 +24,4 @@
 CVE-2017-3144.patch
 CVE-2018-5733.patch
 CVE-2018-5732.patch
+add-isc-includes.patch