An integer overflow issue was addressed with improved input validation. This issue is fixed in tvOS 15.5, iTunes 12.12.4 for Windows, iOS 15.5 and iPadOS 15.5, watchOS 8.6, macOS Monterey 12.4. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
An authentication issue was addressed with improved state management. This issue is fixed in tvOS 15.5. A local user may be able to enable iCloud Photos without authentication.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in tvOS 15.5, macOS Monterey 12.4, iOS 15.5 and iPadOS 15.5. An application may be able to execute arbitrary code with kernel privileges.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in tvOS 15.5, macOS Monterey 12.4, iOS 15.5 and iPadOS 15.5. An application may be able to execute arbitrary code with kernel privileges.
A race condition was addressed with improved locking. This issue is fixed in tvOS 15.5, macOS Monterey 12.4, iOS 15.5 and iPadOS 15.5. An application may be able to execute arbitrary code with kernel privileges.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in tvOS 15.5, watchOS 8.6, macOS Big Sur 11.6.6, macOS Monterey 12.3.1, iOS 15.4.1 and iPadOS 15.4.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..
LibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:619, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit b4e79bfa.
A memory corruption issue was addressed with improved validation. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, watchOS 8.5. Processing a maliciously crafted image may lead to heap corruption.
An access issue was addressed with improved access restrictions. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, watchOS 8.5. A malicious application may be able to identify what other applications a user has installed.
A logic issue was addressed with improved state management. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, macOS Big Sur 11.6.5, watchOS 8.5, macOS Monterey 12.3. A malicious application may be able to elevate privileges.