Fixed memory leak.

Credit to OSS-Fuzz

diff --git a/MagickCore/constitute.c b/MagickCore/constitute.c
index 0ad44902fb7b10ff6ff14d708a75517a9dafbaa0..baef49528e1a7ad8a67f7e97680fea386ebed6b1 100644 (file)
--- 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);