A validation issue was addressed with improved logic. This issue is fixed in macOS Catalina 10.15.1. A malicious application may be able to gain root privileges.

A dynamic library loading issue existed in iTunes setup. This was addressed with improved path searching. This issue is fixed in macOS Catalina 10.15.1, iTunes for Windows 12.10.2. Running the iTunes installer in an untrusted directory may result in arbitrary code execution.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, tvOS 13.2, watchOS 6.1. 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 iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, tvOS 13.2, watchOS 6.1. An application may be able to execute arbitrary code with system privileges.

A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, tvOS 13.2, watchOS 6.1. An application may be able to read restricted memory.

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1. Parsing a maliciously crafted iBooks file may lead to disclosure of user information.

An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1. Improper URL processing may lead to data exfiltration.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, tvOS 13.2, watchOS 6.1. A remote attacker may be able to leak memory.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, tvOS 13.2, watchOS 6.1. 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 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, tvOS 13.2, watchOS 6.1. 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 iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, iTunes for Windows 12.10.2, iCloud for Windows 11.0, iCloud for Windows 7.15. An application may be able to execute arbitrary code with system privileges.

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

An issue existed in the handling of links in encrypted PDFs. This issue was addressed by adding a confirmation prompt. This issue is fixed in macOS Catalina 10.15. An attacker may be able to exfiltrate the contents of an encrypted PDF.

The issue was addressed with improved permissions logic. This issue is fixed in macOS Catalina 10.15. A malicious application may be able to access recent documents.

An issue existed in the drawing of web page elements. The issue was addressed with improved logic. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Visiting a maliciously crafted website may reveal browsing history.

"Clear History and Website Data" did not clear the history. The issue was addressed with improved data deletion. This issue is fixed in macOS Catalina 10.15. A user may be unable to delete browsing history items.

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 race condition existed when reading and writing user preferences. This was addressed with improved state handling. This issue is fixed in macOS Catalina 10.15. The "Share Mac Analytics" setting may not be disabled when a user deselects the switch to share analytics.

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15. A malicious application may be able to determine kernel memory layout.

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 kernel privileges.