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.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| 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 | Aug 8, 2025 | Aug 8, 2025 |
| Apple Safari | — | Uninstall Apple Safari on WindowsUpgrade to Apple Safari version 18.6 | Jul 31, 2025 | Jul 31, 2025 |
| Debian | — | Upgrade webkit2gtk | Mar 23, 2026 | Mar 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Mar 18, 2026 |
| Ubuntu | — | Upgrade webkit2gtk | Mar 31, 2026 | Mar 30, 2026 |
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