Don’t forget to update your Drupal [3] sites with the latest version
Release notes: [4]
Maintenance and security release of the Drupal 7 series.
This release fixes security vulnerabilities. Sites are urged to upgrade immediately after reading the security announcement:
Download: http://drupal.org/download [6]
Links:
[1] http://pulse.veltsos.com/category/it/drupal
[2] http://pulse.veltsos.com/category/it/open-source-foss
[3] http://drupal.org/
[4] http://drupal.org/drupal-7.20-release-notes
[5] http://drupal.org/SA-CORE-2013-002
[6] http://drupal.org/download