A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
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 |
|---|---|---|---|---|
| Apple Osx Webkit | — | Upgrade macOS to the latest version | Sep 10, 2026 | Jul 27, 2026 |
| Debian | — | Upgrade webkit2gtk | Aug 26, 2026 | Aug 26, 2026 |
| Redhat_linux | — | Upgrade webkit2gtk3Upgrade webkit2gtk3-develNo solution existsUpgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-devel-debuginfoUpgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-debuginfo | Aug 24, 2026 | Aug 20, 2026 |
| Rocky_linux | — | Upgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-develUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3Upgrade webkit2gtk3-devel-debuginfo | Sep 28, 2026 | Sep 22, 2026 |
| Ubuntu | — | Upgrade libwebkit2gtk-4.1-0Upgrade libwebkitgtk-6.0-4Upgrade libjavascriptcoregtk-4.1-0Upgrade libjavascriptcoregtk-6.0-1 | Aug 31, 2026 | Aug 21, 2026 |
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