A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra. An attacker in a privileged position may be able to perform a denial of service attack.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.3 and iPadOS 13.3, watchOS 6.1.1, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra, tvOS 13.3. An application may be able to execute arbitrary code with kernel privileges.

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra. A malicious application may be able to access restricted files.

A configuration issue was addressed with additional restrictions. This issue is fixed in tvOS 13.3, watchOS 6.1.1, iCloud for Windows 10.9, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra, iOS 13.3 and iPadOS 13.3, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. An attacker in a privileged network position may be able to bypass HSTS for a limited number of specific top-level domains previously not in the HSTS preload list.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.3 and iPadOS 13.3, watchOS 6.1.1, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra, tvOS 13.3. An application may be able to execute arbitrary code with system privileges.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15, iOS 13.1 and iPadOS 13.1, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6. An application may be able to execute arbitrary code with system privileges.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 13.3, watchOS 6.1.1, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra, iOS 13.3 and iPadOS 13.3, iOS 12.4.4, watchOS 5.3.4. Processing malicious video via FaceTime may lead to arbitrary code execution.

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6.1, tvOS 13.2, iOS 13.2 and iPadOS 13.2. An application may be able to execute arbitrary code with kernel privileges.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.3 and iPadOS 13.3, watchOS 6.1.1, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra, tvOS 13.3. An application may be able to execute arbitrary code with kernel privileges.

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15. Processing maliciously crafted web content may lead to arbitrary code execution.

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for Windows 10.7, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, iCloud for Windows 7.14, iTunes 12.10.1 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006. An application may be able to execute arbitrary code with kernel privileges.

A validation issue was addressed with improved logic. This issue is fixed in macOS Catalina 10.15, iOS 13.1 and iPadOS 13.1, tvOS 13, watchOS 6, iOS 13. A local app may be able to read a persistent account identifier.

This issue was resolved by replacing device names with a random identifier. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15, watchOS 6, tvOS 13. An attacker in physical proximity may be able to passively observe device names in AWDL communications.

A lock screen issue allowed access to contacts on a locked device. This issue was addressed with improved state management. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra. A local attacker may be able to view contacts from the lock screen.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15. An application may be able to execute arbitrary code with system privileges.

A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service.

A memory consumption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, macOS Catalina 10.15. Processing a maliciously crafted string may lead to heap corruption.

This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, macOS Catalina 10.15. Parsing a maliciously crafted text file may lead to disclosure of user information.

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, macOS Catalina 10.15. A local user may be able to cause unexpected system termination or read kernel memory.