Drupal Release: 7.66

TL;DR

Drupal 7.66 is a security release that addresses critical vulnerabilities identified in SA-CORE-2019-006. This update is essential for all Drupal 7 site owners to protect their websites from potential security exploits. The release focuses exclusively on security patches with no new features or performance improvements.

Highlight of the Release

• Critical security update addressing vulnerabilities detailed in SA-CORE-2019-006
• Collaborative security fix developed by multiple core contributors
• Focused security release with 128 additions and only 1 deletion across 5 files

Migration Guide

No specific migration guide is provided for this release as it focuses on security fixes rather than architectural changes. Standard Drupal update procedures should be followed:

1. Back up your database and site files before updating
2. Put your site into maintenance mode
3. Update Drupal core files using your preferred method (Drush, FTP, Git, etc.)
4. Run the update script by visiting /update.php in your browser
5. Take your site out of maintenance mode

For detailed instructions, refer to the official Drupal documentation on applying security updates.

Upgrade Recommendations

Immediate upgrade strongly recommended

All Drupal 7 site owners should update to version 7.66 immediately. This security release addresses critical vulnerabilities that could potentially be exploited by malicious actors.

The security team's involvement and the collaborative nature of the fix suggest this is a significant security issue. Sites that remain unpatched could be at risk of compromise.

For sites that cannot update immediately, consider temporarily taking the site offline or implementing Web Application Firewall rules to mitigate potential exploits until the update can be applied.

Bug Fixes

This release specifically addresses security vulnerabilities rather than functional bugs. The fixes are detailed in the security advisory SA-CORE-2019-006, which was collaboratively developed by multiple core contributors including effulgentsia, lauriii, larowlan, xjm, greggles, drumm, dtv_rb, and samuel.mortenson.

New Features

No new features were introduced in this release. Drupal 7.66 is strictly a security update focused on addressing critical vulnerabilities outlined in the security advisory SA-CORE-2019-006.

Security Updates

Drupal 7.66 addresses critical security vulnerabilities detailed in SA-CORE-2019-006. While the specific nature of the vulnerabilities is not fully disclosed in the commit messages (which is standard practice to prevent exploitation), the security advisory indicates this is an important update that should be applied immediately to all Drupal 7 sites.

The security patches were developed through collaboration between multiple core contributors, suggesting a comprehensive approach to addressing the identified vulnerabilities. The update modified 5 files with 128 additions and only 1 deletion, indicating targeted security patches rather than extensive code rewrites.

Performance Improvements

No specific performance improvements were included in this release. Drupal 7.66 focuses exclusively on security fixes outlined in SA-CORE-2019-006.

Impact Summary

Drupal 7.66 is a critical security release that addresses vulnerabilities outlined in SA-CORE-2019-006. The update consists of targeted changes to 5 files with 128 additions and 1 deletion, suggesting focused security patches rather than broad changes.

The security fixes were developed collaboratively by multiple core contributors, indicating a coordinated response to address significant vulnerabilities. While the specific details of the vulnerabilities are not fully disclosed in the commit messages (to prevent exploitation), the involvement of the security team suggests these are serious issues that require immediate attention.

This release contains no new features, performance improvements, or non-security bug fixes. It is solely focused on addressing security concerns to protect Drupal 7 sites from potential exploits.

Site administrators should prioritize this update and apply it immediately following standard security update procedures. Developers should ensure any custom code remains compatible with the security patches, and hosting providers should be prepared to assist clients with emergency updates if needed.