The version of Apple Safari installed on the remote host is prior to 11.1. It is, therefore, affected by multiple vulnerabilities as described in the HT208695 security advisory.
Binary data 700503.prm
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4101
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4102
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4113
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4114
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4116
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4117
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4118
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4119
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4120
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4121
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4122
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4125
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4127
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4128
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4129
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4130
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4133
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4137
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4146
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4161
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4162
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4163
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4165
www.nessus.org/u?0a2c7175
support.apple.com/en-us/HT208695