An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13 is affected. tvOS before 11 is affected. watchOS before 4 is affected. The issue involves the "CFNetwork Proxies" component. It allows remote attackers to cause a denial of service.

WebKit. A logic issue existed in the handling of the parent-tab. This issue was addressed with improved state management.

An issue was discovered in certain Apple products. iOS before 11 is affected. Safari before 11 is affected. iCloud before 7.0 on Windows is affected. iTunes before 12.7 on Windows is affected. tvOS before 11 is affected. The issue involves the "WebKit" component. A cross-site scripting (XSS) vulnerability allows remote attackers to inject arbitrary web script or HTML via crafted web content that incorrectly interacts with the Application Cache policy.