The issue was addressed with improved input validation. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.
https://isc.sans.edu/diary/rss/32976
https://support.apple.com/en-us/127121
https://support.apple.com/en-us/127120
https://support.apple.com/en-us/127119
https://support.apple.com/en-us/127118
https://support.apple.com/en-us/127115