--- /Base64.java	2023-07-05 03:12:50.210026387 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/binary/Base64.java	2023-07-05 03:12:50.210026387 +0200
@@ -429,7 +429,7 @@
             if (marker0 != PAD && marker1 != PAD) {
                 // No PAD e.g 3cQl
                 b3 = base64Alphabet[marker0];
-                b4 = base64Alphabet[marker1];
+b4 =  base64Alphabet[marker0];
 
                 decodedData[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
                 decodedData[encodedIndex + 1] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
