The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade webkit2gtk3-jscUpgrade webkit2gtk3Upgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-devel | Aug 15, 2025 | Aug 13, 2025 |
| Amazon Linux Ami 2 | — | Upgrade webkitgtk4Upgrade webkitgtk4-jscUpgrade webkitgtk4-develUpgrade webkitgtk4-jsc-develUpgrade webkitgtk4-debuginfo | May 20, 2026 | May 20, 2026 |
| Apple Osx Webkit | — | Upgrade macOS to the latest version | Aug 8, 2025 | Jul 29, 2025 |
| Apple Safari | — | Uninstall Apple Safari on WindowsUpgrade to Apple Safari version 18.6 | Jul 31, 2025 | Jul 31, 2025 |
| Debian | — | Upgrade webkit2gtk | Aug 4, 2025 | Aug 4, 2025 |
| Gentoo Linux | — | Upgrade net-libs/webkit-gtk. | Nov 25, 2025 | Nov 24, 2025 |
| Oracle_linux | — | Upgrade webkit2gtk3Upgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-develUpgrade webkit2gtk3-jsc | Aug 14, 2025 | Aug 1, 2025 |
| Redhat_linux | — | Upgrade webkit2gtk3-jsc-develUpgrade webkitgtk4Upgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-devel-debuginfoUpgrade webkitgtk4-jscUpgrade webkitgtk4-develUpgrade webkitgtk4-docUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkitgtk4-jsc-develUpgrade webkitgtk4-debuginfoUpgrade webkit2gtk3-develUpgrade webkit2gtk3No solution existsUpgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3-jsc | Aug 14, 2025 | Aug 1, 2025 |
| Rocky_linux | — | Upgrade webkit2gtk3-develUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-devel-debuginfoUpgrade webkit2gtk3Upgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-debugsource | Feb 5, 2026 | Oct 4, 2025 |
| Suse | — | Upgrade libjavascriptcoregtk-4_1-0-32bitUpgrade webkit2gtk3-develUpgrade libjavascriptcoregtk-6_0-1Upgrade webkitgtk-6_0-injected-bundlesUpgrade libjavascriptcoregtk-4_0-18Upgrade webkit2gtk3-soup2-minibrowserUpgrade typelib-1_0-javascriptcore-4_1Upgrade libwebkit2gtk-4_1-0-32bitUpgrade libwebkit2gtk-4_0-37Upgrade webkit-jsc-4.1Upgrade webkit-jsc-6.0Upgrade libwebkit2gtk-4_0-37-32bitUpgrade webkit2gtk3-minibrowserUpgrade webkit2gtk3-soup2-develUpgrade typelib-1_0-JavaScriptCore-6_0Upgrade webkit2gtk-4_1-injected-bundlesUpgrade webkit2gtk-4_0-injected-bundlesUpgrade webkit-jsc-4Upgrade libwebkitgtk-6_0-4Upgrade WebKitGTK-4.1-langUpgrade webkit2gtk4-develUpgrade libwebkit2gtk-4_1-0Upgrade typelib-1_0-webkit2-4_1Upgrade typelib-1_0-webkit2webextension-4_0Upgrade typelib-1_0-WebKit-6_0Upgrade typelib-1_0-webkit2-4_0Upgrade typelib-1_0-webkit2webextension-4_1Upgrade libjavascriptcoregtk-4_1-0Upgrade webkit2gtk4-minibrowserUpgrade WebKitGTK-4.0-langUpgrade libjavascriptcoregtk-4_0-18-32bitUpgrade typelib-1_0-WebKitWebProcessExtension-6_0Upgrade typelib-1_0-javascriptcore-4_0Upgrade libwebkit2gtk3-langUpgrade WebKitGTK-6.0-lang | Dec 5, 2025 | Aug 14, 2025 |
| Ubuntu | — | Upgrade libjavascriptcoregtk-4.1-0Upgrade libwebkitgtk-6.0-4Upgrade libjavascriptcoregtk-4.0-18Upgrade libwebkit2gtk-4.0-37Upgrade libjavascriptcoregtk-6.0-1Upgrade libwebkit2gtk-4.1-0 | Aug 20, 2025 | Jul 30, 2025 |
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