An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, tvOS 16.4, iOS 16.4 and iPadOS 16.4, watchOS 9.4. Processing a maliciously crafted image may result in disclosure of process memory.
https://support.apple.com/en-us/HT213678
https://support.apple.com/en-us/HT213676