Drupal 6.15 and 5.21 released
Drupal 6.15 and 5.21 released, fixing security issues
More information can be found -> HERE
Drupal 6.15 and 5.21, maintenance releases fixing problems reported using the bug tracking system, as well as critical security vulnerabilities, are now available for download. Both releases fix some other smaller issues as well.
Upgrading your existing Drupal 5 and 6 sites is strongly recommended. There are no new features in these releases.
Important update notes