Evolution is a GNOME application that provides integrated email, calendar, contact management, and communications functionality. The evolution-data-server packages provide a unified back end for applications which interact with contacts, tasks and calendar information. Evolution Data Server was originally developed as a back end for the Evolution information management application, but is now used by various other applications. OpenChange provides libraries to access Microsoft Exchange servers using native protocols. Security Fix: * evolution-data-server: Response injection via STARTTLS in SMTP and POP3 For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.