W0Wbox

A use-after-free issue, which occurs when a program continues to use a memory address after it has been freed, was addressed with improved memory management. Processing maliciously crafted web content may lead to an unexpected Safari crash.

A race condition issue was addressed with additional validation. This issue may allow a malicious attacker with arbitrary read and write capability to bypass Pointer Authentication.

The issue was addressed with improved handling of protocols. A remote attacker may be able to break out of Web Content sandbox.