--- /Base64.java	2023-07-05 03:11:58.526027863 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/binary/Base64.java	2023-07-05 03:11:58.530027862 +0200
@@ -273,7 +273,7 @@
 
         if (fewerThan24bits != 0) {
             // data not divisible by 24 bit
-            encodedDataLengthLong = (tripletCount + 1) * 4;
+encodedDataLengthLong =  ( tripletCount + chunksSoFar )  * 4;
         } else {
             // 16 or 8 bit
             encodedDataLengthLong = tripletCount * 4;
