--- /Base64.java	2023-07-05 03:12:51.034026364 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/binary/Base64.java	2023-07-05 03:12:51.038026363 +0200
@@ -432,7 +432,7 @@
                 b4 = base64Alphabet[marker1];
 
                 decodedData[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
-                decodedData[encodedIndex + 1] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
+decodedData[encodedIndex + 1] =  (  short  )   (  (  ( b2 & 0xf )  << 4 )  |  (  ( b3 >> 2 )  & 0xf )  ) ;
                 decodedData[encodedIndex + 2] = (byte) (b3 << 6 | b4);
             } else if (marker0 == PAD) {
                 // Two PAD e.g. 3c[Pad][Pad]
