A use-after-free issue was addressed with improved memory management.

Summary

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 27.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing maliciously crafted web content may lead to arbitrary code execution.

Remediation

1. Inventory every Apple Safari deployment, including staging.
2. Upgrade Apple Safari to 27.2.
3. Confirm the running version after the upgrade.

References

• Advisoryhttps://support.apple.com/en-us/149230
• Advisoryhttps://support.apple.com/en-us/149521
• Advisoryhttps://support.apple.com/en-us/149524
• Advisoryhttps://support.apple.com/en-us/149525
• Advisoryhttps://support.apple.com/en-us/149526
• Advisoryhttps://support.apple.com/en-us/149527