From c7c55972758a93350882c32147801a3485b010fe Mon Sep 17 00:00:00 2001
From: Chris Liddell <chris.liddell@artifex.com>
Date: Mon, 12 Jun 2017 13:08:40 +0100
Subject: [PATCH] Bug 698024: bounds check zone pointer in Ins_MIRP()

---
 base/ttinterp.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- end of original header

CVE: CVE-2017-9611

Upstream-Status: Backport [git://git.ghostscript.com/ghostpdl.git]

Signed-off-by: Joe Slater <joe.slater@windriver.com>

diff --git a/base/ttinterp.c b/base/ttinterp.c
index e56aec6..f6a6d95 100644
--- a/base/ttinterp.c
+++ b/base/ttinterp.c
@@ -3858,7 +3858,8 @@ static int nInstrCount=0;
     /* XXX: UNDOCUMENTED! cvt[-1] = 0 always */
 
     if ( BOUNDS( args[0],   CUR.zp1.n_points ) ||
-         BOUNDS( args[1]+1, CUR.cvtSize+1 )    )
+         BOUNDS( args[1]+1, CUR.cvtSize+1 )    ||
+         BOUNDS(CUR.GS.rp0,  CUR.zp0.n_points) )
     {
       CUR.error = TT_Err_Invalid_Reference;
       return;
-- 
1.7.9.5