Updated cronie packages fix security vulnerabilities:
Cronie before 1.5.3 allows local users to cause a denial of service (daemon crash) via a large crontab file because the calloc return value is not checked (CVE-2019-9704).
Cronie before 1.5.3 allows local users to cause a denial of service (memory consumption) via a large crontab file because an unlimited number of lines is accepted (CVE-2019-9705).