Apple has published a security advisory, highlighting vulnerabilities in multiple versions listed below on the 20th of September 2021. It is recommended that you take the necessary precaution by ensuring your products are always updated.
Safari versions before 15
Xcode versions before 13
iTunes for Windows version prior 12.12
For more information on these Apple updates, you can follow these URLs:
https://support.apple.com/en-ca/HT212817
https://support.apple.com/en-ca/HT212816
https://support.apple.com/en-ca/HT212818
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
PDF Download: Apple Security Updates.pdf
References
Apple security updates (21st September 2021). Retrieved from Canadian Centre for Cyber Security.
Apple security updates (21st September 2021). Retrieved from Cybersecurity & Infrastructure Security Agency.
Apple security updates (20th September 2021). Retrieved from Apple.
https://support.apple.com/en-us/HT201222