--- src/corelib/codecs/qutfcodec.cpp.cve-2007-4137	2007-09-13 13:52:42.000000000 -0400
+++ src/corelib/codecs/qutfcodec.cpp	2007-09-13 13:54:58.000000000 -0400
@@ -150,7 +150,7 @@ QString QUtf8Codec::convertToUnicode(con
     }
 
     QString result;
-    result.resize(len); // worst case
+    result.resize(len + 1); // worst case
     QChar *qch = result.data();
     uchar ch;
     int invalid = 0;