BlogsWeek.com

Drupal 4.6.8 and Drupal 4.7.2 are available for download. “These are maintenance releases that fix problems reported using the bug tracking system, as well as two security vulnerabilities. Upgrading your existing Drupal sites is strongly recommended.”

The security vulnerabilities, the first highly critical and the second less critical, are detailed in the official security advisory:

http://drupal.org/files/sa-2006-007/advisory.txt
http://drupal.org/files/sa-2006-008/advisory.txt

For additional information and upgrading instructions, please read the full Drupal release announcement.