The cyrus-sasl packages contain the Cyrus implementation of Simple Authentication and Security Layer . SASL is a method for adding authentication support to connection-based protocols. Security Fix: * cyrus-sasl: denial of service in _sasl_add_string function 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.