From 4e10da08da29c4861fb6b4febdd24026c3c26077 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Sun, 11 Aug 2019 09:20:59 -0400
Subject: [PATCH] ...

---
 MagickCore/cache.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/MagickCore/cache.c b/MagickCore/cache.c
index 30ee6bc76..2842b1c73 100644
--- a/MagickCore/cache.c
+++ b/MagickCore/cache.c
@@ -5342,7 +5342,8 @@ MagickPrivate MagickBooleanType SyncAuthenticPixelCacheNexus(Image *image,
     }
   if (nexus_info->authentic_pixel_cache != MagickFalse)
     {
-      image->taint=MagickTrue;
+      if (image->taint == MagickFalse)
+        image->taint=MagickTrue;
       return(MagickTrue);
     }
   assert(cache_info->signature == MagickCoreSignature);
@@ -5350,7 +5351,7 @@ MagickPrivate MagickBooleanType SyncAuthenticPixelCacheNexus(Image *image,
   if ((cache_info->metacontent_extent != 0) &&
       (WritePixelCacheMetacontent(cache_info,nexus_info,exception) == MagickFalse))
     return(MagickFalse);
-  if (status != MagickFalse)
+  if ((status != MagickFalse) && (image->taint == MagickFalse))
     image->taint=MagickTrue;
   return(status);
 }
-- 
2.40.0