From dabba008c570fd2fc25d6f990e65d0db28c663c7 Mon Sep 17 00:00:00 2001
From: Cristy <mikayla-grace@urban-warrior.org>
Date: Thu, 18 Apr 2019 07:11:40 -0400
Subject: [PATCH] ...

---
 coders/xwd.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/coders/xwd.c b/coders/xwd.c
index b6f26ec7b..236fbdb5a 100644
--- a/coders/xwd.c
+++ b/coders/xwd.c
@@ -387,10 +387,8 @@ static Image *ReadXWDImage(const ImageInfo *image_info,ExceptionInfo *exception)
       XWDColor
         color;
 
-      length=(size_t) header.ncolors;
-      if (length > ((~0UL)/sizeof(*colors)))
-        ThrowReaderException(CorruptImageError,"ImproperImageHeader");
-      colors=(XColor *) AcquireQuantumMemory(length,sizeof(*colors));
+      colors=(XColor *) AcquireQuantumMemory((size_t) header.ncolors,
+        sizeof(*colors));
       if (colors == (XColor *) NULL)
         {
           ximage=(XImage *) RelinquishMagickMemory(ximage);
-- 
2.50.1