From b00c4d46fb59bfc807df5e58c0a33f9d3812be05 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bastien=20ROUCARI=C3=88S?= <roucaries.bastien@gmail.com>
Date: Tue, 23 Dec 2014 15:41:32 +0100
Subject: [PATCH] Avoid an out of bound access in palm file

git-svn-id: https://subversion.imagemagick.org/subversion/ImageMagick/branches/ImageMagick-6@17291 aa41f4f7-0bf4-0310-aa73-e5a19afd5a74
Origin:  http://trac.imagemagick.org/changeset/17291
---
 coders/palm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/coders/palm.c b/coders/palm.c
index 9d5f7a5..d080c5a 100644
--- a/coders/palm.c
+++ b/coders/palm.c
@@ -505,8 +505,9 @@ static Image *ReadPALMImage(const ImageInfo *image_info,
       }
     if (flags & PALM_HAS_TRANSPARENCY_FLAG)
       {
+        IndexPacket index=ConstrainColormapIndex(image,(mask-transparentIndex));
         if (bits_per_pixel != 16)
-          SetMagickPixelPacket(image,image->colormap+(mask-transparentIndex),
+          SetMagickPixelPacket(image,image->colormap+index,
             (const IndexPacket *) NULL,&transpix);
         (void) TransparentPaintImage(image,&transpix,(Quantum)
           TransparentOpacity,MagickFalse);
-- 
2.1.4