The issue was addressed with improved memory handling. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to memory corruption.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade webkitgtk4-jscUpgrade webkitgtk4-jsc-develUpgrade webkitgtk4Upgrade webkitgtk4-debuginfoUpgrade webkitgtk4-devel | May 20, 2026 | May 20, 2026 |
| Apple Osx Webkit | — | Upgrade macOS to the latest version | May 15, 2025 | May 12, 2025 |
| Apple Safari | — | Uninstall Apple Safari on WindowsUpgrade to Apple Safari version 18.5 | May 13, 2025 | May 13, 2025 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | May 12, 2025 |
| Debian | — | Upgrade wpewebkitUpgrade webkit2gtk | May 20, 2025 | May 12, 2025 |
| Redhat_linux | — | Upgrade webkitgtk4-jsc-develNo solution existsUpgrade webkitgtk4-jscUpgrade webkitgtk4-develUpgrade webkitgtk4Upgrade webkitgtk4-docUpgrade webkitgtk4-debuginfo | Jul 9, 2025 | May 12, 2025 |
| Suse | — | Upgrade webkit2gtk3-soup2-develUpgrade libwebkit2gtk-4_1-0Upgrade typelib-1_0-webkit2-4_0Upgrade libjavascriptcoregtk-4_0-18Upgrade libjavascriptcoregtk-4_1-0Upgrade libwebkit2gtk-4_1-0-32bitUpgrade libwebkitgtk-6_0-4Upgrade typelib-1_0-webkit2webextension-4_0Upgrade webkit2gtk3-develUpgrade webkit2gtk4-minibrowserUpgrade WebKitGTK-4.0-langUpgrade libwebkit2gtk-4_0-37Upgrade webkit2gtk-4_0-injected-bundlesUpgrade webkit2gtk-4_1-injected-bundlesUpgrade libwebkit2gtk-4_0-37-32bitUpgrade webkit-jsc-4Upgrade libwebkit2gtk3-langUpgrade typelib-1_0-javascriptcore-4_0Upgrade libjavascriptcoregtk-6_0-1Upgrade WebKitGTK-6.0-langUpgrade libjavascriptcoregtk-4_0-18-32bitUpgrade WebKitGTK-4.1-langUpgrade webkit-jsc-6.0Upgrade typelib-1_0-webkit2webextension-4_1Upgrade typelib-1_0-WebKitWebProcessExtension-6_0Upgrade typelib-1_0-JavaScriptCore-6_0Upgrade typelib-1_0-webkit2-4_1Upgrade typelib-1_0-WebKit-6_0Upgrade libjavascriptcoregtk-4_1-0-32bitUpgrade webkit2gtk4-develUpgrade webkit2gtk3-minibrowserUpgrade webkit2gtk3-soup2-minibrowserUpgrade webkit-jsc-4.1Upgrade webkitgtk-6_0-injected-bundlesUpgrade typelib-1_0-javascriptcore-4_1 | Dec 5, 2025 | May 27, 2025 |
| Ubuntu | — | Upgrade libwebkit2gtk-4.0-37Upgrade libwebkit2gtk-4.1-0Upgrade libwebkitgtk-6.0-4Upgrade libjavascriptcoregtk-4.0-18Upgrade libjavascriptcoregtk-6.0-1Upgrade libjavascriptcoregtk-4.1-0 | Jun 12, 2025 | May 12, 2025 |
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