A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
https://support.apple.com/en-us/122721
https://support.apple.com/en-us/122720
https://support.apple.com/en-us/122719
https://support.apple.com/en-us/122716
https://support.apple.com/en-us/122405
https://support.apple.com/en-us/122404
https://lists.debian.org/debian-lts-announce/2025/06/msg00016.html
http://seclists.org/fulldisclosure/2025/May/7
http://seclists.org/fulldisclosure/2025/May/6
http://seclists.org/fulldisclosure/2025/May/5
http://seclists.org/fulldisclosure/2025/May/13