The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may result in the disclosure of process memory.
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:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade webkit2gtk3Upgrade webkit2gtk3-develUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-jsc-devel | Jul 21, 2026 | Jul 20, 2026 |
| Amazon Linux Ami 2 | — | Upgrade webkitgtk4-jscUpgrade webkitgtk4Upgrade webkitgtk4-jsc-develUpgrade webkitgtk4-devel | Aug 5, 2026 | Aug 5, 2026 |
| Apple Osx Webkit | — | Upgrade macOS to the latest version | Sep 10, 2026 | Jun 29, 2026 |
| Apple Safari | — | Upgrade to Apple Safari version 26.5.2Uninstall Apple Safari on Windows | Jun 30, 2026 | Jun 30, 2026 |
| Debian | — | Upgrade webkit2gtk | Jul 28, 2026 | Jul 28, 2026 |
| Redhat_linux | — | Upgrade webkitgtk4-jscUpgrade webkitgtk4-docUpgrade webkitgtk4-debuginfoUpgrade webkitgtk4-jsc-develUpgrade webkitgtk4Upgrade webkit2gtk3-devel-debuginfoUpgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3-develUpgrade webkitgtk4-develNo solution existsUpgrade webkit2gtk3 | Jul 20, 2026 | Jul 10, 2026 |
| Rocky_linux | — | Upgrade webkit2gtk3-debuginfoUpgrade webkit2gtk3Upgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-devel-debuginfoUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-develUpgrade webkit2gtk3-debugsource | Jul 27, 2026 | Jul 21, 2026 |
| Ubuntu | — | Upgrade libwebkitgtk-6.0-4Upgrade libwebkit2gtk-4.1-0Upgrade libjavascriptcoregtk-6.0-1Upgrade libjavascriptcoregtk-4.1-0 | Aug 31, 2026 | Aug 21, 2026 |
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