There has been a security release for CiviCRM. We recommend you immediately upgrade to one of the following versions:
CiviCRM v5.7.4 ESR
In addition to the security fixes, this release includes two regression fixes.
Below are the security advisories details:
The regression issues fixed in this release are:
Custom Search results selection failure and dev/core#679 Groups and Tags affect search results when using Search Builder. See Gitlab issue for more details.
Mass SMS not sent when send time is set to immediately. See Gitlab issue for more details.
Upgrade now for the most stable CiviCRM experience:
CiviCRM security announcements are available from https://civicrm.org/advisory and via the CiviCRM Security Notifications email list.