--- old/src/share/classes/com/sun/imageio/plugins/png/PNGMetadata.java	2014-06-09 22:28:40.747318200 +0400
+++ new/src/share/classes/com/sun/imageio/plugins/png/PNGMetadata.java	2014-06-09 22:28:40.145241700 +0400
@@ -1256,7 +1256,11 @@
             if (name.equals("IHDR")) {
                 IHDR_width = getIntAttribute(node, "width");
                 IHDR_height = getIntAttribute(node, "height");
-                IHDR_bitDepth = getEnumeratedAttribute(node, "bitDepth",
+                // IHDR_bitDepth is number of bits, not an index of IHDR_bitDepths
+                // getEnumeratedAttribute returns valid index of IHDR_bitDepths or 
+                // IIOInvalidTreeException, to get real number of bits we need 
+                // to do "1 << index". see 8041460
+                IHDR_bitDepth =  1 << getEnumeratedAttribute(node, "bitDepth",
                                                        IHDR_bitDepths);
                 IHDR_colorType = getEnumeratedAttribute(node, "colorType",
                                                         IHDR_colorTypeNames);