--- /Base64.java	2023-07-05 03:13:11.222025787 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/binary/Base64.java	2023-07-05 03:13:11.226025788 +0200
@@ -489,7 +489,7 @@
      */
     static byte[] discardNonBase64(byte[] data) {
         byte groomedData[] = new byte[data.length];
-        int bytesCopied = 0;
+int dataIndex = 0;int bytesCopied = 0;
 
         for (int i = 0; i < data.length; i++) {
             if (isBase64(data[i])) {
