--- old/src/java.desktop/share/classes/com/sun/imageio/plugins/png/PNGImageReader.java	2017-12-14 13:20:55.584997340 +0530
+++ new/src/java.desktop/share/classes/com/sun/imageio/plugins/png/PNGImageReader.java	2017-12-14 13:20:55.180997340 +0530
@@ -1037,7 +1037,15 @@
         int bytesPerPixel = (bitDepth == 16) ? 2 : 1;
         bytesPerPixel *= inputBands;
 
-        int bytesPerRow = (inputBands*passWidth*bitDepth + 7)/8;
+        /*
+         * When we multiply passWidth with inputBands/bitDepth if the
+         * resultant value exceeds maximum value for int, bufferoverflow happens
+         * and the value will be invalid. So until we calculate bytesPerRow
+         * value by dividing it by 8 we can maintain bitsPerRow value in long
+         * so that final bytesPerRow value is valid. 
+         */
+        long bitsPerRow = ((long)inputBands) * passWidth * bitDepth;
+        int bytesPerRow = (int)((bitsPerRow + 7)/8);
         int eltsPerRow = (bitDepth == 16) ? bytesPerRow/2 : bytesPerRow;
 
         // If no pixels need updating, just skip the input data