--- wu-ftpd-2.6.2-orig/src/ftpd.c	Thu Nov 29 17:56:11 2001
+++ wu-ftpd-2.6.2/src/ftpd.c	Thu Jan 22 13:38:33 2004
@@ -1662,9 +1662,9 @@
     /* Display s/key challenge where appropriate. */
 
     if (pwd == NULL || skeychallenge(&skey, pwd->pw_name, sbuf))
-	sprintf(buf, "Password required for %s.", name);
+	snprintf(buf, sizeof(buf)-1, "Password required for %s.", name);
     else
-	sprintf(buf, "%s %s for %s.", sbuf,
+	snprintf(buf, sizeof(buf)-1, "%s %s for %s.", sbuf,
 		pwok ? "allowed" : "required", name);
     return (buf);
 }