From 9475dd43717280a23199bcd06b14ef741be27e73 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Tue, 13 Feb 2018 19:23:43 -0500
Subject: [PATCH] https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6235

---
 MagickCore/xml-tree.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MagickCore/xml-tree.c b/MagickCore/xml-tree.c
index dfcfe8ccf..c19e85c6d 100644
--- a/MagickCore/xml-tree.c
+++ b/MagickCore/xml-tree.c
@@ -1721,6 +1721,8 @@ static MagickBooleanType ParseInternalDoctype(XMLTreeRoot *root,char *xml,
         /*
           Parse entity definitions.
         */
+        if (strspn(xml+8,XMLWhitespace) == 0)
+          break;
         xml+=strspn(xml+8,XMLWhitespace)+8;
         c=xml;
         n=xml+strspn(xml,XMLWhitespace "%");
-- 
2.40.0