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-jscUpgrade webkit2gtk3-develUpgrade webkit2gtk3Upgrade webkit2gtk3-jsc-devel | Oct 24, 2025 | Oct 15, 2025 |
| Amazon Linux Ami 2 | — | Upgrade webkitgtk4-develUpgrade webkitgtk4-jscUpgrade webkitgtk4-jsc-develUpgrade webkitgtk4-debuginfoUpgrade webkitgtk4 | May 20, 2026 | May 20, 2026 |
| Apple Osx Webkit | — | Upgrade macOS to the latest version | Jan 22, 2026 | Jan 22, 2026 |
| Apple Safari | — | Uninstall Apple Safari on WindowsUpgrade to Apple Safari version 26 | Sep 16, 2025 | Sep 16, 2025 |
| Debian | — | Upgrade webkit2gtk | Oct 29, 2025 | Oct 29, 2025 |
| Oracle_linux | — | Upgrade webkit2gtk3Upgrade webkit2gtk3-jscUpgrade webkit2gtk3-develUpgrade webkit2gtk3-jsc-devel | Oct 17, 2025 | Oct 13, 2025 |
| Redhat_linux | — | Upgrade webkitgtk4-jscUpgrade webkitgtk4Upgrade webkitgtk4-jsc-develUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-debugsourceUpgrade webkitgtk4-debuginfoUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-devel-debuginfoUpgrade webkitgtk4-docUpgrade webkit2gtk3-debuginfoNo solution existsUpgrade webkit2gtk3Upgrade webkit2gtk3-develUpgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkitgtk4-devel | Oct 16, 2025 | Oct 13, 2025 |
| Rocky_linux | — | Upgrade webkit2gtk3Upgrade webkit2gtk3-develUpgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-devel-debuginfoUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-jsc-devel-debuginfo | Feb 5, 2026 | Nov 21, 2025 |
| Suse | — | Upgrade libwebkit2gtk-4_1-0-32bitUpgrade libwebkit2gtk-4_0-37Upgrade webkit-jsc-6.0Upgrade libwebkit2gtk-4_0-37-32bitUpgrade libwebkit2gtk3-langUpgrade webkit2gtk3-minibrowserUpgrade webkitgtk-6_0-injected-bundlesUpgrade WebKitGTK-6.0-langUpgrade typelib-1_0-javascriptcore-4_0Upgrade webkit-jsc-4Upgrade libjavascriptcoregtk-6_0-1Upgrade webkit2gtk3-soup2-minibrowserUpgrade libjavascriptcoregtk-4_0-18Upgrade libjavascriptcoregtk-4_1-0-32bitUpgrade libjavascriptcoregtk-4_1-0Upgrade webkit2gtk4-minibrowserUpgrade WebKitGTK-4.0-langUpgrade webkit-jsc-4.1Upgrade typelib-1_0-webkit2webextension-4_0Upgrade typelib-1_0-WebKitWebProcessExtension-6_0Upgrade typelib-1_0-WebKit-6_0Upgrade libwebkit2gtk-4_1-0Upgrade webkit2gtk4-develUpgrade typelib-1_0-javascriptcore-4_1Upgrade typelib-1_0-JavaScriptCore-6_0Upgrade libwebkitgtk-6_0-4Upgrade typelib-1_0-webkit2-4_1Upgrade WebKitGTK-4.1-langUpgrade webkit2gtk3-soup2-develUpgrade webkit2gtk3-develUpgrade webkit2gtk-4_1-injected-bundlesUpgrade webkit2gtk-4_0-injected-bundlesUpgrade typelib-1_0-webkit2webextension-4_1Upgrade typelib-1_0-webkit2-4_0Upgrade libjavascriptcoregtk-4_0-18-32bit | Dec 5, 2025 | Oct 17, 2025 |
| Ubuntu | — | Upgrade libjavascriptcoregtk-6.0-1Upgrade libwebkit2gtk-4.1-0Upgrade libjavascriptcoregtk-4.0-18Upgrade libjavascriptcoregtk-4.1-0Upgrade libwebkit2gtk-4.0-37Upgrade libwebkitgtk-6.0-4 | Nov 28, 2025 | Sep 15, 2025 |
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