An issue with signature validation was addressed with improved checks. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. An attacker in a privileged network position may be able to impersonate a Kerberos KDC.
References 5
https://support.apple.com/en-us/149230
product-security@apple.com
https://support.apple.com/en-us/149521
product-security@apple.com
https://support.apple.com/en-us/149524
product-security@apple.com
https://support.apple.com/en-us/149525
product-security@apple.com
https://support.apple.com/en-us/149526
product-security@apple.com