A type confusion issue was addressed with improved state management.

Summary

A type confusion issue was addressed with improved state management. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. Processing maliciously crafted web content may lead to memory corruption.

Remediation

1. Inventory every Apple Safari deployment, including staging.
2. Upgrade Apple Safari to the fixed version for your release line, listed under Affected versions.
3. Confirm the running version after the upgrade.

References

• Advisoryhttps://support.apple.com/en-us/149227
• Advisoryhttps://support.apple.com/en-us/149230
• Advisoryhttps://support.apple.com/en-us/149521
• Advisoryhttps://support.apple.com/en-us/149526
• Advisoryhttps://support.apple.com/en-us/149527