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A logic issue was addressed with improved checks. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4. Visiting a maliciously crafted website may lead to a cross-site scripting attack.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade webkit2gtk3-jscUpgrade webkit2gtk3-develUpgrade webkit2gtk3Upgrade webkit2gtk3-jsc-devel | Apr 27, 2026 | Apr 22, 2026 |
| Amazon Linux Ami 2 | — | Upgrade webkitgtk4-develUpgrade webkitgtk4-jsc-develUpgrade webkitgtk4-jscUpgrade webkitgtk4 | May 20, 2026 | May 20, 2026 |
| Apple Osx Webkit | — | Upgrade macOS to the latest version | Mar 27, 2026 | Mar 24, 2026 |
| Apple Safari | — | Uninstall Apple Safari on WindowsUpgrade to Apple Safari version 26.4 | Mar 27, 2026 | Mar 27, 2026 |
| Debian | — | Upgrade webkit2gtk | Jul 23, 2026 | Jul 23, 2026 |
| Oracle_linux | — | Upgrade webkit2gtk3-develUpgrade webkit2gtk3Upgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-jsc | Apr 24, 2026 | Mar 28, 2026 |
| Redhat_linux | — | Upgrade webkit2gtk3-jscUpgrade webkitgtk4-jsc-develUpgrade webkitgtk4-debuginfoUpgrade webkit2gtk3-develUpgrade webkitgtk4-jscUpgrade webkit2gtk3Upgrade webkit2gtk3-debuginfoUpgrade webkitgtk4-develUpgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-devel-debuginfoNo solution existsUpgrade webkitgtk4Upgrade webkit2gtk3-jsc-develUpgrade webkitgtk4-doc | Apr 23, 2026 | Mar 28, 2026 |
| Rocky_linux | — | Upgrade webkit2gtk3-devel-debuginfoUpgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3Upgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-devel | Apr 28, 2026 | Apr 24, 2026 |
| Ubuntu | — | Upgrade libwebkitgtk-6.0-4Upgrade libwebkit2gtk-4.1-0Upgrade libjavascriptcoregtk-4.1-0Upgrade libjavascriptcoregtk-6.0-1 | May 6, 2026 | Mar 25, 2026 |
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