--- IlmImf/ImfAutoArray.h	2007-04-23 18:26:56.000000000 -0700
+++ IlmImf/ImfAutoArray.h	2011-02-15 09:55:03.919979903 -0800
@@ -57,7 +57,9 @@
     {
       public:
 
-	 AutoArray (): _data (new T [size]) {}
+	AutoArray (): _data (new T [size])
+	{ (void) memset(_data, '\0', size * sizeof(T)); }
+
 	~AutoArray () {delete [] _data;}
 
 	operator T * ()			{return _data;}