Index: /trunk/src/VBox/Runtime/common/fs/isomaker.cpp
===================================================================
--- /trunk/src/VBox/Runtime/common/fs/isomaker.cpp	(revision 68381)
+++ /trunk/src/VBox/Runtime/common/fs/isomaker.cpp	(revision 68382)
@@ -952,4 +952,11 @@
         RTMemFree(pName->pszTransNm);
         pName->pszTransNm = NULL;
+    }
+    PRTFSISOMAKERNAMEDIR pDir = pName->pDir;
+    if (pDir != NULL)
+    {
+        Assert(pDir->cChildren == 0);
+        RTMemFree(pDir->papChildren);
+        pDir->papChildren = NULL;
     }
     RTMemFree(pName);