The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade webkit2gtk3Upgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-devel | Apr 27, 2026 | Apr 22, 2026 |
| Amazon Linux Ami 2 | — | Upgrade webkitgtk4Upgrade webkitgtk4-develUpgrade webkitgtk4-jscUpgrade webkitgtk4-jsc-devel | 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-jscUpgrade webkit2gtk3-develUpgrade webkit2gtk3Upgrade webkit2gtk3-jsc-devel | Apr 24, 2026 | Mar 28, 2026 |
| Redhat_linux | — | Upgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-develUpgrade webkitgtk4-debuginfoUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3Upgrade webkitgtk4Upgrade webkitgtk4-develUpgrade webkit2gtk3-debugsourceUpgrade webkitgtk4-jsc-develUpgrade webkitgtk4-jscUpgrade webkit2gtk3-devel-debuginfoNo solution existsUpgrade webkitgtk4-doc | Apr 23, 2026 | Mar 28, 2026 |
| Rocky_linux | — | Upgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-develUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-devel-debuginfoUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-jscUpgrade webkit2gtk3Upgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3-jsc-devel-debuginfo | Apr 28, 2026 | Apr 24, 2026 |
| Ubuntu | — | Upgrade libwebkit2gtk-4.1-0Upgrade libwebkitgtk-6.0-4Upgrade libjavascriptcoregtk-6.0-1Upgrade libjavascriptcoregtk-4.1-0 | May 6, 2026 | Mar 25, 2026 |
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