Drupal 7.27 and Drupal 6.31, maintenance releases which contain fixes for security vulnerabilities, are now available for download. See the Drupal 7.27 and Drupal 6.31 release notes for further information.

Download Drupal 7.27Download Drupal 6.31

Upgrading your existing Drupal 7 and 6 sites is strongly recommended. There are no new features or non-security-related bug fixes in these releases. For more information about the Drupal 7.x release series, consult the Drupal 7.0 release announcement. More information on the Drupal 6.x release series can be found in the Drupal 6.0 release announcement.

Security information

We have a security announcement mailing list and a history of all security advisories, as well as an RSS feed with the most recent security advisories. We strongly advise Drupal administrators to sign up for the list.

Drupal 7 and 6 include the built-in Update Status module (renamed to Update Manager in Drupal 7), which informs you about important updates to your modules and themes.

Bug reports

Both Drupal 7.x and 6.x are being maintained, so given enough bug fixes (not just bug reports) more maintenance releases will be made available, according to our monthly release cycle.

Changelog

Drupal 7.27 is a security release only. For more details, see the 7.27 release notes. A complete list of all bug fixes in the stable 7.x branch can be found in the git commit log.

Drupal 6.31 is a security release only. For more details, see the 6.31 release notes. A complete list of all bug fixes in the stable 6.x branch can be found in the git commit log.

Security vulnerabilities

Drupal 7.27 and 6.31 were released in response to the discovery of security vulnerabilities. Details can be found in the official security advisory:

• SA-CORE-2014-002

To fix the security problem, please upgrade to either Drupal 7.27 or Drupal 6.31.

Known issues

• This security release introduces small API changes which may require code updates on sites that expose Ajax or multi-step forms to anonymous users, and where the forms are displayed on pages that are cached (either by Drupal or by an external system). See the Drupal 7.27 release notes and Drupal 6.31 release notes for more information.
• (Drupal 7 only) This release caused a JavaScript error which breaks Ajax requests in very old browsers (for example, Internet Explorer 8 and earlier). A fix is available in this issue and will be included in the next bug fix release of Drupal core. Sites which need the fix sooner can apply the patch from that issue to their Drupal 7.27 sites.

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