An issue existed in the handling of iMessage tapbacks. The issue was resolved with additional verification. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. A user that is removed from an iMessage group could rejoin the group.
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. Processing a maliciously crafted audio file may lead to arbitrary code execution.
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.6. A malicious application may be able to execute arbitrary code with kernel privileges.
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to break out of its sandbox.
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to modify protected parts of the file system.
An integer overflow was addressed through improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. A malicious application may be able to execute arbitrary code with kernel privileges.
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in macOS Catalina 10.15.5. A local attacker may be able to elevate their privileges.
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to determine kernel memory layout.
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to determine kernel memory layout.
A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.5. A local user may be able to read kernel memory.