CVE-2018-4277

Name of the Vulnerable Software and Affected Versions iOS versions prior to 11.4.1 watchOS versions prior to 4.3.2 tvOS versions prior to 11.4.1 Safari versions prior to 11.1.1 macOS High Sierra versions prior to 10.13.6

Description A spoofing issue existed in the handling of URLs, which was addressed with improved input validation. The issue is also related to the incorrect handling of Unicode symbols in Safari, allowing a remote attacker to perform a homographic attack and substitute the content of a resource.

Recommendations For iOS versions prior to 11.4.1, update to version 11.4.1 or later. For watchOS versions prior to 4.3.2, update to version 4.3.2 or later. For tvOS versions prior to 11.4.1, update to version 11.4.1 or later. For Safari versions prior to 11.1.1, update to version 11.1.1 or later. For macOS High Sierra versions prior to 10.13.6, update to version 10.13.6 or later.