The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade webkit2gtk3-develUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3 | Oct 24, 2025 | Oct 15, 2025 |
| Amazon Linux Ami 2 | — | Upgrade webkitgtk4-jsc-develUpgrade webkitgtk4-develUpgrade webkitgtk4-debuginfoUpgrade webkitgtk4-jscUpgrade webkitgtk4 | May 20, 2026 | May 20, 2026 |
| Apple Osx Webkit | — | Upgrade macOS to the latest version | Jan 22, 2026 | Jan 22, 2026 |
| Apple Safari | — | Upgrade to Apple Safari version 26Uninstall Apple Safari on Windows | Sep 16, 2025 | Sep 16, 2025 |
| Debian | — | Upgrade webkit2gtk | Oct 29, 2025 | Oct 29, 2025 |
| Oracle_linux | — | Upgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-develUpgrade webkit2gtk3Upgrade webkit2gtk3-jsc | Oct 17, 2025 | Oct 13, 2025 |
| Redhat_linux | — | Upgrade webkitgtk4-develUpgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-develUpgrade webkit2gtk3No solution existsUpgrade webkitgtk4-jsc-develUpgrade webkitgtk4-jscUpgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-devel-debuginfoUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-jscUpgrade webkitgtk4-debuginfoUpgrade webkitgtk4-docUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkitgtk4 | Oct 16, 2025 | Oct 13, 2025 |
| Rocky_linux | — | Upgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-devel-debuginfoUpgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-develUpgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3 | Feb 5, 2026 | Nov 21, 2025 |
| Suse | — | Upgrade libjavascriptcoregtk-6_0-1Upgrade libwebkit2gtk-4_1-0-32bitUpgrade libwebkit2gtk-4_0-37Upgrade webkit2gtk3-minibrowserUpgrade libwebkit2gtk-4_0-37-32bitUpgrade webkit2gtk3-soup2-minibrowserUpgrade webkitgtk-6_0-injected-bundlesUpgrade WebKitGTK-6.0-langUpgrade typelib-1_0-javascriptcore-4_0Upgrade webkit-jsc-6.0Upgrade libjavascriptcoregtk-4_1-0-32bitUpgrade webkit-jsc-4Upgrade libjavascriptcoregtk-4_0-18Upgrade libwebkit2gtk3-langUpgrade typelib-1_0-webkit2webextension-4_1Upgrade webkit2gtk3-develUpgrade webkit2gtk-4_0-injected-bundlesUpgrade webkit2gtk3-soup2-develUpgrade typelib-1_0-WebKit-6_0Upgrade webkit2gtk4-develUpgrade typelib-1_0-javascriptcore-4_1Upgrade typelib-1_0-WebKitWebProcessExtension-6_0Upgrade libjavascriptcoregtk-4_1-0Upgrade libwebkit2gtk-4_1-0Upgrade typelib-1_0-webkit2-4_0Upgrade typelib-1_0-JavaScriptCore-6_0Upgrade libjavascriptcoregtk-4_0-18-32bitUpgrade libwebkitgtk-6_0-4Upgrade webkit2gtk4-minibrowserUpgrade webkit-jsc-4.1Upgrade WebKitGTK-4.0-langUpgrade typelib-1_0-webkit2webextension-4_0Upgrade typelib-1_0-webkit2-4_1Upgrade webkit2gtk-4_1-injected-bundlesUpgrade WebKitGTK-4.1-lang | Dec 5, 2025 | Oct 17, 2025 |
| Ubuntu | — | Upgrade libwebkitgtk-6.0-4Upgrade libwebkit2gtk-4.0-37Upgrade libjavascriptcoregtk-4.1-0Upgrade libjavascriptcoregtk-6.0-1Upgrade libwebkit2gtk-4.1-0Upgrade libjavascriptcoregtk-4.0-18 | Nov 28, 2025 | Sep 15, 2025 |
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