The printer friendly version functionality in the Book module in Drupal 6.x before 6.28 and 7.x before 7.19 does not properly restrict access to node that are part of a book outline, which allows remote authenticated users with the "access printer-friendly version" permission to read node titles and possibly node content via unspecified vectors.

The Image module in Drupal 7.x before 7.19, when a private file system is used, does not properly restrict access to derivative images, which allows remote attackers to read derivative images of otherwise restricted images via unspecified vectors.

The Image module in Drupal 7.x before 7.20 allows remote attackers to cause a denial of service (CPU and disk space consumption) via a large number of new derivative requests.

The file upload feature in Drupal 6.x before 6.27 and 7.x before 7.18 allows remote authenticated users to bypass the protection mechanism and execute arbitrary PHP code via a null byte in a file name.

Drupal 6.x before 6.27 and 7.x before 7.18 displays information for blocked users, which might allow remote attackers to obtain sensitive information by reading the search results.

The OpenID module in Drupal 7.x before 7.16 allows remote OpenID servers to read arbitrary files via a crafted DOCTYPE declaration in an XRDS file.

Drupal 7.x before 7.16 allows remote attackers to obtain sensitive information and possibly re-install Drupal and execute arbitrary PHP code via an external database server, related to "transient conditions."

Algorithmic complexity vulnerability in the _filter_url function in the text filtering system (modules/filter/filter.module) in Drupal 7.x before 7.14 allows remote authenticated users with certain roles to cause a denial of service (CPU consumption) via a long email address.

Drupal 7.x before 7.14 does not properly restrict access to nodes in a list when using a "contributed node access module," which allows remote authenticated users with the "Access the content overview page" permission to read all published nodes by accessing the admin/content page.

The forum list in Drupal 7.x before 7.14 does not properly check user permissions for unpublished forum posts, which allows remote authenticated users to obtain sensitive information such as the post title via the forum overview page.