Apple · Ios · CVE-2018-4247
**Name of the Vulnerable Software and Affected Versions**
iOS versions prior to 11.4
Safari versions prior to 11.1.1
**Description**
The issue involves the Safari component and allows remote attackers to cause a denial of service, resulting in a persistent Safari outage, via a crafted web site.
**Recommendations**
For iOS versions prior to 11.4, update to version 11.4 or later.
For Safari versions prior to 11.1.1, update to version 11.1.1 or later.