Drupal 6.29 and 7.24 were released November 20th and with it SA-CORE-2013-003 which describes the following:
Affecting both Drupal 6.x and 7.x:
* Multiple vulnerabilities due to optimistic cross-site request forgery protection (Form API validation - Drupal 6 and 7)
* Multiple vulnerabilities due to weakness in pseudorandom number generation using mt_rand() (Form API, OpenID and random password generation - Drupal 6 and 7)
* Code execution prevention (Files directory .htaccess for Apache - Drupal 6 and 7)
* Access bypass (Security token validation - Drupal 6 and 7)
Affecting only Drupal 7.x:
* Cross-site scripting (Image module - Drupal 7)
* Cross-site scripting (Color module - Drupal 7)
* Open redirect (Overlay module - Drupal 7)
CVEs have not yet been assigned.
External Reference:
https://drupal.org/SA-CORE-2013-003