The issue was addressed with improved checks. This issue is fixed in iOS 16.5 and iPadOS 16.5, watchOS 9.5, tvOS 16.5, macOS Ventura 13.4. A person with physical access to a device may be able to view contact information from the lock screen.
Apple Security Advisory 2023-05-18-6 - tvOS 16.5 addresses buffer overflow, bypass, code execution, out of bounds read, and use-after-free vulnerabilities.