dnf is a package manager that allows users to manage packages on their systems. It supports RPMs, modules and comps groups and environments. Security Fix: * libdnf: Signature verification bypass via signature placed in the main RPM header 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 8.5 Release Notes linked from the References section.