An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. Safari before 10.1.1 is affected. tvOS before 10.2.1 is affected. The issue involves the "WebKit Web Inspector" component. It allows attackers to execute arbitrary unsigned code or cause a denial of service (memory corruption) via a crafted app.
https://support.apple.com/HT207804
https://support.apple.com/HT207801
https://support.apple.com/HT207798