diff -u pks-0.9.4/kd_search.c pks-0.9.4_buffoverflow20020525/kd_search.c
--- pks-0.9.4/kd_search.c	Sat May 25 20:41:45 2002
+++ pks-0.9.4_buffoverflow20020525/kd_search.c	Sat May 25 21:13:57 2002
@@ -864,7 +864,7 @@
    memset(&key, 0, sizeof(key));
    memset(&data, 0, sizeof(data));
 
-   for (i=0; i<we->len; i++)
+   for (i=0; i<we->len && i < sizeof(word); i++)
       word[i] = tolower((we->ptr)[i]);
 
    key.data = (void *) word;