HT211215: About the security content of macOS Catalina 10.15.5 Supplemental Update, Security Update 2020-003 High Sierra

Published Jun 1, 2020
·
Updated

Affected Software

2 affected componentsFixes available
Apple macOS Catalina Supplemental Update<10.15.5
10.15.5
apple High Sierra

Event History

Jun 1, 2020
Advisory Published
12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of HT211215?

HT211215 is classified as a high severity vulnerability affecting macOS Catalina 10.15.5 and High Sierra.

2

How do I fix HT211215?

You can fix HT211215 by installing the macOS Catalina 10.15.5 Supplemental Update or the Security Update 2020-003 for High Sierra.

3

What types of vulnerabilities are addressed in HT211215?

HT211215 addresses various security vulnerabilities that could allow malicious code execution or denial of service.

4

Who is affected by HT211215?

Users of macOS Catalina 10.15.5 and macOS High Sierra are affected by the vulnerabilities outlined in HT211215.

5

Is it mandatory to update for HT211215?

While it's not mandatory, it is strongly recommended to update to mitigate the security risks associated with HT211215.

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