Mailman is a program used to help manage e-mail discussion lists. Security Fix: * mailman: XSS via file attachments in list archives 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.