RHN Satellite and Proxy: An update for spacewalk-java is now available for Red Hat Satellite 5.7.

Red Hat Product Security has rated this update as having a security impact of
Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a
detailed severity rating, is available for each vulnerability from the CVE
link(s) in the References section.
CVE-2015-0284, CVE-2016-2103, CVE-2016-2104, CVE-2016-3079