From 3690a8209202d2c50f5e4661d68fd49c3f1024e4 Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Tue, 2 May 2017 08:26:55 +0200
Subject: [PATCH] Fixed various leaks reported in #460.

---
 coders/pdb.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/coders/pdb.c b/coders/pdb.c
index 799bc7efa..428f040d7 100644
--- a/coders/pdb.c
+++ b/coders/pdb.c
@@ -424,19 +424,25 @@ static Image *ReadPDBImage(const ImageInfo *image_info,ExceptionInfo *exception)
     case 0:
     {
       image->compression=NoCompression;
-      count=(ssize_t) ReadBlob(image, packets * image -> rows, pixels);
+      count=(ssize_t) ReadBlob(image,packets*image->rows,pixels);
       break;
     }
     case 1:
     {
       image->compression=RLECompression;
-      if (!DecodeImage(image, pixels, packets * image -> rows))
-        ThrowReaderException( CorruptImageError, "RLEDecoderError" );
+      if (!DecodeImage(image,pixels,packets*image->rows))
+        {
+          pixels=(unsigned char *) RelinquishMagickMemory(pixels);
+          ThrowReaderException(CorruptImageError,"RLEDecoderError");
+        }
       break;
     }
     default:
+    {
+      pixels=(unsigned char *) RelinquishMagickMemory(pixels);
       ThrowReaderException(CorruptImageError,
-         "UnrecognizedImageCompressionType" );
+        "UnrecognizedImageCompressionType");
+    }
   }
   p=pixels;
   switch (bits_per_pixel)
@@ -541,7 +547,10 @@ static Image *ReadPDBImage(const ImageInfo *image_info,ExceptionInfo *exception)
       break;
     }
     default:
+    {
+      pixels=(unsigned char *) RelinquishMagickMemory(pixels);
       ThrowReaderException(CorruptImageError,"ImproperImageHeader");
+    }
   }
   pixels=(unsigned char *) RelinquishMagickMemory(pixels);
   if (EOFBlob(image) != MagickFalse)
-- 
2.50.1