MFSA2021-01: Security Vulnerabilities fixed in Firefox 84.0.2, Firefox for Android 84.1.3, and Firefox ESR 78.6.1
First published: Wed Jan 06 2021(Updated: )
Security Vulnerabilities fixed in Firefox 84.0.2, Firefox for Android 84.1.3, and Firefox ESR 78.6.1
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox | <84.0.2 | 84.0.2 |
| Mozilla Firefox ESR | <78.6.1 | 78.6.1 |
| All of | ||
| Mozilla Firefox | =84.1.3 | |
| Google Android |
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Reference Links
Frequently Asked Questions
What is the severity of MFSA2021-01?
MFSA2021-01 addresses several critical security vulnerabilities that could potentially lead to arbitrary code execution.
How do I fix MFSA2021-01?
You can fix MFSA2021-01 by updating to Firefox version 84.0.2, Firefox for Android version 84.1.3, or Firefox ESR version 78.6.1.
Which versions of Firefox are affected by MFSA2021-01?
Affected versions include Firefox versions up to 84.0.2 and Firefox ESR versions up to 78.6.1.
Is Firefox for Android affected by MFSA2021-01?
Yes, Firefox for Android versions up to 84.1.3 are affected by the vulnerabilities addressed in MFSA2021-01.
What should I do if I cannot update to the recommended versions for MFSA2021-01?
If you cannot update, consider using alternative browsers or implementing additional security measures until you can upgrade.
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