The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, macOS Sequoia 15.6, iOS 18.6 and iPadOS 18.6, tvOS 18.6, watchOS 11.6, visionOS 2.6. Processing maliciously crafted web content may lead to memory corruption.Referenceshttps://support.apple.com/en-us/124152https://support.apple.com/en-us/124149https://support.apple.com/en-us/124153https://support.apple.com/en-us/124154https://support.apple.com/en-us/124155https://support.apple.com/en-us/124147
