A denial-of-service issue was addressed with improved validation. This issue is fixed in iOS 18.7 and iPadOS 18.7, macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. An app may be able to cause a denial-of-service.
https://support.apple.com/en-us/125112
https://support.apple.com/en-us/125111
https://support.apple.com/en-us/125110
https://support.apple.com/en-us/125109
http://seclists.org/fulldisclosure/2025/Sep/55
http://seclists.org/fulldisclosure/2025/Sep/54