From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Sat, 20 Jan 2018 12:19:47 +0000 (+0100)
Subject: Fixed memory leak.
X-Git-Tag: 7.0.7-22~27
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c2566cbc49958710f61b05967c936ade1c38423d;p=imagemagick

Fixed memory leak.
Credit to OSS-Fuzz
---

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);