diff -Nru gtk+2.0-2.24.10/debian/changelog gtk+2.0-2.24.10/debian/changelog
--- gtk+2.0-2.24.10/debian/changelog	2015-07-28 23:42:27.000000000 +0300
+++ gtk+2.0-2.24.10/debian/changelog	2015-09-22 09:52:25.000000000 +0300
@@ -1,3 +1,12 @@
+gtk+2.0 (2.24.10-0ubuntu6.3) precise; urgency=low
+
+  * Non-maintainer upload.
+  * gdkcairo-Avoid-integer-overflow.patch: new patch. Cherry-pick upstream
+    commit from GTK+3 to avoid integer overflow when allocating a large block
+    of memory in gdk_cairo_set_source_pixbuf.
+
+ -- Vlad Orlov <monsta@inbox.ru>  Tue, 22 Sep 2015 09:51:11 +0300
+
 gtk+2.0 (2.24.10-0ubuntu6.2) precise; urgency=low
 
   * fix_gdk_event_apply_filters.patch: new patch. Makes gdk_event_apply_filters
diff -Nru gtk+2.0-2.24.10/debian/patches/gdkcairo-Avoid-integer-overflow.patch gtk+2.0-2.24.10/debian/patches/gdkcairo-Avoid-integer-overflow.patch
--- gtk+2.0-2.24.10/debian/patches/gdkcairo-Avoid-integer-overflow.patch	1970-01-01 03:00:00.000000000 +0300
+++ gtk+2.0-2.24.10/debian/patches/gdkcairo-Avoid-integer-overflow.patch	2015-09-22 09:53:01.000000000 +0300
@@ -0,0 +1,24 @@
+From 894b1ae76a32720f4bb3d39cf460402e3ce331d6 Mon Sep 17 00:00:00 2001
+From: Matthias Clasen <mclasen@redhat.com>
+Date: Sat, 29 Jun 2013 22:06:54 -0400
+Subject: Avoid integer overflow
+
+Use g_malloc_n in gdk_cairo_set_source_pixbuf when allocating
+a large block of memory, to avoid integer overflow.
+
+Pointed out by Bert Massop in
+https://bugzilla.gnome.org/show_bug.cgi?id=703220
+
+Index: gtk+2.0-2.24.10/gdk/gdkcairo.c
+===================================================================
+--- gtk+2.0-2.24.10.orig/gdk/gdkcairo.c	2011-08-16 06:30:51.000000000 +0400
++++ gtk+2.0-2.24.10/gdk/gdkcairo.c	2015-09-22 09:52:56.303088462 +0300
+@@ -210,7 +210,7 @@
+     format = CAIRO_FORMAT_ARGB32;
+ 
+   cairo_stride = cairo_format_stride_for_width (format, width);
+-  cairo_pixels = g_malloc (height * cairo_stride);
++  cairo_pixels = g_malloc_n (height, cairo_stride);
+   surface = cairo_image_surface_create_for_data ((unsigned char *)cairo_pixels,
+                                                  format,
+                                                  width, height, cairo_stride);
diff -Nru gtk+2.0-2.24.10/debian/patches/series gtk+2.0-2.24.10/debian/patches/series
--- gtk+2.0-2.24.10/debian/patches/series	2015-07-28 12:11:19.000000000 +0300
+++ gtk+2.0-2.24.10/debian/patches/series	2015-09-22 09:52:50.000000000 +0300
@@ -29,3 +29,4 @@
 fix_gdk_event_apply_filters.patch
 gdk-Fix-GdkWindowFilter-internal-refcounting.patch
 gdkwindow-Fix-event-unref-iteration.patch
+gdkcairo-Avoid-integer-overflow.patch