Imported from libpng-1.4.0beta50.tar
diff --git a/CHANGES b/CHANGES
index 28963d3..9156366 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2068,6 +2068,10 @@
     (bug introduced in libpng-1.2.34/1.4.0beta29).
   Revised comments in png_set_read_fn() and png_set_write_fn().
 
+version 1.4.0beta50 [March 9, 2009]
+  Use png_calloc() instead of png_malloc() to allocate big_row_buf when
+    reading an interlaced file, to avoid a possible UMR.
+
 version 1.4.0betaN [future]
   Build shared libraries with -lz and sometimes -lm.