Remember to log in as user 1 prior to the RPM update, to perform the DB upgrade via http://yoursite/update.php.
.... Access bypass in node listings
Listings showing nodes but not JOINing the node table show all nodes regardless of restrictions imposed by the node_access system. In core, this affects the taxonomy and the forum subsystem.
Note that fixing this issue in contributed modules requires a backwards-compatible API change for modules listing nodes. See http://drupal.org/node/1204572  for more details.
This issue affects Drupal 7.x only.
Install the latest version:
The Security Team has released both a pure security update without other bug fixes and a security update combined with other bug fixes and improvements. You can choose to either only include the security update for an immediate fix (which might require less quality assurance and testing) or more fixes and improvements alongside the security fixes by choosing between Drupal 7.3 and Drupal 7.4. Read the announcement  for more information.
See also the Drupal core  project page.
Learn more about the Drupal Security team and their policies , writing secure code for Drupal , and securing your site .
 http://drupal.org/project/drupal  http://drupal.org/security-team/risk-levels  http://drupal.org/node/1204572  http://drupal.org/drupal-7.4  http://drupal.org/project/drupal  http://drupal.org/user/214652  http://drupal.org/user/265439  http://drupal.org/user/12534  http://drupal.org/user/9446  http://drupal.org/contact  http://drupal.org/security-team  http://drupal.org/writing-secure-code  http://drupal.org/security/secure-configuration
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