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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-jsc-develUpgrade webkitgtk4-debuginfoUpgrade webkitgtk4-develUpgrade webkitgtk4-jscUpgrade webkitgtk4 | May 20, 2026 | May 20, 2026 |
| Apple Osx Webkit | — | Upgrade macOS to the latest version | May 15, 2025 | May 12, 2025 |
| Apple Safari | — | Upgrade to Apple Safari version 18.5Uninstall Apple Safari on Windows | May 13, 2025 | May 13, 2025 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | May 12, 2025 |
| Debian | — | Upgrade webkit2gtkUpgrade wpewebkit | May 20, 2025 | May 12, 2025 |
| Redhat_linux | — | Upgrade webkitgtk4-jsc-develUpgrade webkitgtk4Upgrade webkitgtk4-debuginfoUpgrade webkitgtk4-docUpgrade webkitgtk4-jscNo solution existsUpgrade webkitgtk4-devel | Jul 9, 2025 | May 12, 2025 |
| Suse | — | Upgrade webkit2gtk3-develUpgrade webkit2gtk3-soup2-develUpgrade webkit-jsc-4Upgrade typelib-1_0-webkit2-4_0Upgrade webkit2gtk4-minibrowserUpgrade libwebkit2gtk-4_0-37Upgrade typelib-1_0-webkit2webextension-4_0Upgrade libjavascriptcoregtk-4_1-0Upgrade webkit2gtk-4_1-injected-bundlesUpgrade libwebkitgtk-6_0-4Upgrade libwebkit2gtk3-langUpgrade libwebkit2gtk-4_0-37-32bitUpgrade libjavascriptcoregtk-4_0-18Upgrade libwebkit2gtk-4_1-0-32bitUpgrade typelib-1_0-javascriptcore-4_0Upgrade WebKitGTK-6.0-langUpgrade libwebkit2gtk-4_1-0Upgrade typelib-1_0-WebKitWebProcessExtension-6_0Upgrade WebKitGTK-4.0-langUpgrade typelib-1_0-JavaScriptCore-6_0Upgrade webkit2gtk-4_0-injected-bundlesUpgrade libjavascriptcoregtk-6_0-1Upgrade webkit-jsc-6.0Upgrade typelib-1_0-javascriptcore-4_1Upgrade libjavascriptcoregtk-4_1-0-32bitUpgrade typelib-1_0-WebKit-6_0Upgrade webkit2gtk3-minibrowserUpgrade WebKitGTK-4.1-langUpgrade webkit2gtk4-develUpgrade webkit2gtk3-soup2-minibrowserUpgrade libjavascriptcoregtk-4_0-18-32bitUpgrade typelib-1_0-webkit2webextension-4_1Upgrade typelib-1_0-webkit2-4_1Upgrade webkitgtk-6_0-injected-bundlesUpgrade webkit-jsc-4.1 | Dec 5, 2025 | May 27, 2025 |
| Ubuntu | — | Upgrade libwebkit2gtk-4.0-37Upgrade libjavascriptcoregtk-4.0-18Upgrade libwebkit2gtk-4.1-0Upgrade libjavascriptcoregtk-6.0-1Upgrade libjavascriptcoregtk-4.1-0Upgrade libwebkitgtk-6.0-4 | Jun 12, 2025 | May 12, 2025 |
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