An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, visionOS 27.2, watchOS 27.2. A buffer overflow may result in memory corruption and unexpected app termination.
https://support.apple.com/en-us/149526
https://support.apple.com/en-us/149525
https://support.apple.com/en-us/149230