http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=0edf0986f3be570f5bf90ff245a85c1675f5c9a4

--- src/truetype/ttinterp.c	2010-11-14 12:53:11.000000000 +0000
+++ src/truetype/ttinterp.c.oden	2010-11-14 12:56:03.000000000 +0000
@@ -5506,7 +5506,16 @@
     if ( CUR.GS.gep2 == 0 && CUR.zp2.n_points > 0 )
       last_point = (FT_UShort)( CUR.zp2.n_points - 1 );
     else if ( CUR.GS.gep2 == 1 && CUR.zp2.n_contours > 0 )
+    {
       last_point = (FT_UShort)( CUR.zp2.contours[CUR.zp2.n_contours - 1] );
+
+      if ( BOUNDS( last_point, CUR.zp2.n_points ) )
+      {
+        if ( CUR.pedantic_hinting )
+          CUR.error = TT_Err_Invalid_Reference;
+        return;
+      }
+    }
     else
       last_point = 0;