MFSA2021-16: Security Vulnerabilities fixed in Firefox 88

Published Apr 19, 2021
·
Updated

Security Vulnerabilities fixed in Firefox 88

Affected Software

1 affected componentFixes available
Mozilla Firefox<88
88

Event History

Apr 19, 2021
Advisory Published
via Mozilla·12:00 AM
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 types of vulnerabilities are addressed in MFSA2021-16?

MFSA2021-16 addresses multiple security vulnerabilities fixed in Firefox 88.

2

How do I ensure my Firefox is not affected by MFSA2021-16?

To ensure your Firefox is not affected by MFSA2021-16, update to Firefox version 88 or later.

3

What are the risks of not updating after MFSA2021-16?

Not updating after MFSA2021-16 may leave your system exposed to security vulnerabilities that could be exploited.

4

Who is affected by the vulnerabilities detailed in MFSA2021-16?

Users of Firefox versions prior to 88 are affected by the vulnerabilities detailed in MFSA2021-16.

5

What is the recommended action for users regarding MFSA2021-16?

The recommended action for users regarding MFSA2021-16 is to update their Firefox browser to version 88 immediately.

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