These two fields allow to specify a different default assignee for ticket opened against this package in bugzilla. Note: The EPEL field is always displayed for packages in the 'rpms' namespace regardless of whether it is used in bugzilla or not.
fa2cf58
The last round of security fixes also fixes CVE-2018-14044, CVE-2018-14045 (rhbz#1601618, rhbz#1601620, rhbz#1601624, rhbz#1601625)