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 an unexpected Safari 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 webkit2gtk3-jscUpgrade webkit2gtk3-develUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3 | Apr 27, 2026 | Apr 22, 2026 |
| Amazon Linux Ami 2 | — | Upgrade webkitgtk4-jsc-develUpgrade webkitgtk4Upgrade webkitgtk4-jscUpgrade webkitgtk4-devel | May 20, 2026 | May 20, 2026 |
| Apple Osx Webkit | — | Upgrade macOS to the latest version | Aug 8, 2025 | Aug 8, 2025 |
| Apple Safari | — | Upgrade to Apple Safari version 18.6Uninstall Apple Safari on Windows | Jul 31, 2025 | Jul 31, 2025 |
| Debian | — | Upgrade webkit2gtk | Mar 23, 2026 | Mar 23, 2026 |
| Oracle_linux | — | Upgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3Upgrade webkit2gtk3-jscUpgrade webkit2gtk3-devel | Apr 24, 2026 | Mar 18, 2026 |
| Redhat_linux | — | Upgrade webkitgtk4-jscUpgrade webkit2gtk3-develUpgrade webkit2gtk3-jscUpgrade webkitgtk4-jsc-develUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkitgtk4-debuginfoUpgrade webkitgtk4Upgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3Upgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-jsc-devel-debuginfoNo solution existsUpgrade webkitgtk4-docUpgrade webkitgtk4-develUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-devel-debuginfo | Apr 23, 2026 | Mar 18, 2026 |
| Rocky_linux | — | Upgrade webkit2gtk3-develUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-devel-debuginfoUpgrade webkit2gtk3Upgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-jsc-debuginfo | Apr 28, 2026 | Apr 24, 2026 |
| Ubuntu | — | Upgrade libwebkitgtk-6.0-4Upgrade libjavascriptcoregtk-6.0-1Upgrade libjavascriptcoregtk-4.1-0Upgrade libwebkit2gtk-4.1-0 | May 6, 2026 | Jul 30, 2025 |
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