An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. The issue involves the "Safari" component. It allows remote attackers to spoof the address bar by leveraging text input during the loading of a page.
https://support.apple.com/HT207617
https://support.apple.com/HT207600
https://security.gentoo.org/glsa/201706-15