1 files changed, 3 insertions, 1 deletions
diff --git a/CHANGES b/CHANGES
index 83ae8c057..bcdd751be 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2920,8 +2920,10 @@ version 1.2.56rc01 [December 14, 2015]
 version 1.2.56 [December 17, 2015]
   No changes.
 
-version 1.2.57beta01 [March 1, 2016]
+version 1.2.57beta01 [June 4, 2016]
   Fix typos in libpng.3 synopses (Eric S. Raymond).
+  Fixed undefined behavior in png_push_save_buffer(). Do not call
+    memcpy() with a null source, even if count is zero (Leon Scroggins III).
 
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