diff -ur ImageMagick-6.8.6-3.miff-orig/coders/miff.c ImageMagick-6.8.6-3/coders/miff.c
--- ImageMagick-6.8.6-3.miff-orig/coders/miff.c	2013-05-17 22:58:19.000000000 +0400
+++ ImageMagick-6.8.6-3/coders/miff.c	2015-03-10 22:37:49.930865595 +0300
@@ -1399,6 +1399,9 @@
           bzip_info.avail_out=(unsigned int) (packet_size*image->columns);
           do
           {
+            int
+              code;
+
             if (bzip_info.avail_in == 0)
               {
                 bzip_info.next_in=(char *) compress_pixels;
@@ -1408,7 +1411,13 @@
                 bzip_info.avail_in=(unsigned int) ReadBlob(image,length,
                   (unsigned char *) bzip_info.next_in);
               }
-            if (BZ2_bzDecompress(&bzip_info) == BZ_STREAM_END)
+            code=BZ2_bzDecompress(&bzip_info);
+            if (code < 0)
+              {
+                status=MagickFalse;
+                break;
+              }
+            if (code == BZ_STREAM_END)
               break;
           } while (bzip_info.avail_out != 0);
           (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
@@ -1455,6 +1464,9 @@
           zip_info.avail_out=(uInt) (packet_size*image->columns);
           do
           {
+            int
+              code;
+
             if (zip_info.avail_in == 0)
               {
                 zip_info.next_in=compress_pixels;
@@ -1464,7 +1476,13 @@
                 zip_info.avail_in=(unsigned int) ReadBlob(image,length,
                   zip_info.next_in);
               }
-            if (inflate(&zip_info,Z_SYNC_FLUSH) == Z_STREAM_END)
+            code=inflate(&zip_info,Z_SYNC_FLUSH);
+            if (code < 0)
+              {
+                status=MagickFalse;
+                break;
+              }
+            if (code == Z_STREAM_END)
               break;
           } while (zip_info.avail_out != 0);
           (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
Только в ImageMagick-6.8.6-3/coders: miff.c.orig