--- rpm-4.4.2/rpmdb/db3.c.orig	2007-08-17 16:01:01.000000000 +0200
+++ rpm-4.4.2/rpmdb/db3.c	2007-08-17 16:04:01.000000000 +0200
@@ -429,6 +429,7 @@
     }
   }
 
+  eflags |= DB_LOCKDOWN;
 #if (DB_VERSION_MAJOR == 3 && DB_VERSION_MINOR != 0) || (DB_VERSION_MAJOR == 4)
     rc = dbenv->open(dbenv, dbhome, eflags, dbi->dbi_perms);
 #else