The latest release of CiviCRM 5.3.1 and 4.6.38 includes security fixes. This is a critical security release, we recommend upgrading to 5.3.1 and 4.6.38 to ensure the security of your site and data as soon as possible.
Please note that 4.6.33, 4.7.26, and 4.7.27 are security releases. All releases include the latest security fixes, and 4.7.27 includes additional bug fixes and enhancements (as a typical monthly release).
Please see below links to the security advisories:
Please note that release 4.7.21 and 4.6.29 are security releases. Please see below links to the security advisories:
All sites are strongly encouraged to upgrade to the latest secure versions of CiviCRM: v4.7.14 and v4.6.24.
The latest release of CiviCRM 4.6 and 4.7 includes security fixes. We recommend upgrading to 4.7.7 or 4.6.16 to ensure the security of your site and data. The latest releases include 2 moderately critical fixes. A number of other non-security issues have also been fixed in the latest releases.
The latest release of CiviCRM 4.6 includes security fixes. While this issue is unlikely to affect the average CiviCRM site, it is recommended to upgrade to the latest version to keep your site as secure as possible.
If you are currently using 4.6.7 and your site uses ACLs to segment access to contacts you are strongly encouraged to upgrade. The 4.6.7 release included a regression in the ACL system which caused certain contact access permissions to behave improperly. The 4.4 LTS branch was unaffected.
The latest releases of CiviCRM 4.6 and 4.4 LTS include 2 moderately critical security fixes. While these issues are unlikely to affect the average CiviCRM site, it is recommended to upgrade to the latest version to keep your site as secure as possible.
IATS has been a payment processor extension with CiviCRM for quite a while and has been actively developed & supported. If you are using the IATS extension you can say a quiet thank you to Alan, Karin & Stephen & stop reading.
An important security update is being released for both the latest version of CiviCRM and the long-term-support version. We recommend you upgrade immediately to maintain the security of your site.
For more information on the security issues see: