An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Processing a maliciously crafted file may disclose user information.Referenceshttps://support.apple.com/kb/HT212603https://support.apple.com/kb/HT212600https://support.apple.com/en-us/HT212601https://support.apple.com/en-us/HT212602
