HT212177: About the security content of macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, and macOS Mojave 10.14.6 Security Update 2021-002

Published Feb 9, 2021
·
Updated

Affected Software

3 affected componentsFixes available
Apple macOS Big Sur<11.2.1
11.2.1
Apple macOS Catalina Supplemental Update<10.15.7
10.15.7
apple macOS Mojave<10.14.6
10.14.6

Event History

Feb 9, 2021
Advisory Published
12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of HT212177?

HT212177 is rated with a risk level of 32, indicating a moderate to high level of severity.

2

How do I fix HT212177?

To fix HT212177, update your system by installing the latest versions available for macOS Big Sur, Catalina, or Mojave security updates.

3

What vulnerabilities are addressed in HT212177?

HT212177 addresses multiple vulnerabilities, including those affecting system performance and security in macOS versions.

4

Who is affected by HT212177?

Users of macOS Big Sur, macOS Catalina, and macOS Mojave are potentially affected by the vulnerabilities outlined in HT212177.

5

When was HT212177 published?

HT212177 was published on February 9, 2021.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203