--- /DoubleMetaphone.java	2023-07-05 02:35:37.718149662 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/language/DoubleMetaphone.java	2023-07-05 02:35:37.722149660 +0200
@@ -302,7 +302,7 @@
                    !(index == 1 && charAt(value, 0) == 'M')) {
             //-- double "cc" but not "McClelland" --//
             return handleCC(value, result, index);
-        } else if (contains(value, index, 2, "CK", "CG", "CQ")) {
+} else if  ( contains ( value, maxLength, 2, "CK", "CG", "CQ" )  )  {
             result.append('K');
             index += 2;
         } else if (contains(value, index, 2, "CI", "CE", "CY")) {
