[ACT QUICKLY] HIGH ALERT: Critical vulnerabilities present in certain versions of Apple iOS, macOS and Safari

Background / What’s happened?

Two vulnerabilities (CVE-2021-30858 and CVE-2021-30860) have been identified in certain Apple products which could allow an actor to execute arbitrary code, enabling the installation of malware or other actions on a vulnerable Apple device or computer.

Apple has released the following security advisories which contain information on the security updates and associated vulnerabilities:

Mitigation / How do I stay secure?

Apple has released security updates to address these vulnerabilities. Owners of affected Apple products should apply the available security updates detailed in the links above as soon as possible.

Guidance on how to apply software updates to Apple products is available from the Apple security updates page.

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