From c2566cbc49958710f61b05967c936ade1c38423d Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Sat, 20 Jan 2018 13:19:47 +0100
Subject: [PATCH] Fixed memory leak. Credit to OSS-Fuzz

---
 MagickCore/constitute.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/MagickCore/constitute.c b/MagickCore/constitute.c
index 0ad44902f..baef49528 100644
--- a/MagickCore/constitute.c
+++ b/MagickCore/constitute.c
@@ -927,7 +927,10 @@ MagickExport Image *ReadInlineImage(const ImageInfo *image_info,
   length=0;
   blob=Base64Decode(p,&length);
   if (length == 0)
-    ThrowReaderException(CorruptImageError,"CorruptImage");
+    {
+      blob=(unsigned char *) RelinquishMagickMemory(blob);
+      ThrowReaderException(CorruptImageError,"CorruptImage");
+    }
   read_info=CloneImageInfo(image_info);
   (void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,
     (void *) NULL);
-- 
2.40.0