From ecb40901a04e59821eca645ea89bdcfdd65e79f1 Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Fri, 13 Apr 2018 01:30:25 +0200
Subject: [PATCH] Added check to prevent use of uninitialized value
 (https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7585).

---
 coders/xpm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/coders/xpm.c b/coders/xpm.c
index 570cc3dbc..a3f583b47 100644
--- a/coders/xpm.c
+++ b/coders/xpm.c
@@ -387,7 +387,9 @@ static Image *ReadXPMImage(const ImageInfo *image_info,ExceptionInfo *exception)
       Parse color.
     */
     (void) CopyMagickString(target,"gray",MagickPathExtent);
-    q=ParseXPMColor(p+width,MagickTrue);
+    q=(char *) NULL;
+    if (strlen(p) > width)
+      q=ParseXPMColor(p+width,MagickTrue);
     if (q != (char *) NULL)
       {
         while ((isspace((int) ((unsigned char) *q)) == 0) && (*q != '\0'))
-- 
2.40.0