An issue was discovered in certain Apple products. iOS before 11.4 is affected. The issue involves the “Siri” component. It allows physically proximate attackers to bypass the lock-screen protection mechanism and enable Siri.

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the “IOGraphics” component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the “Messages” component. It allows local users to perform impersonation attacks via an unspecified injection.

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the “IOHIDFamily” component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the “WebKit” component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.