MFSA2021-17: Security Vulnerabilities fixed in Thunderbird 78.8.1

Q: What is the severity of MFSA2021-17?

The severity of MFSA2021-17 is identified as critical due to the potential impact on user security.

Q: How do I fix MFSA2021-17?

To fix MFSA2021-17, update Thunderbird to version 78.8.1 or later.

Q: What vulnerabilities are addressed in MFSA2021-17?

MFSA2021-17 addresses multiple security vulnerabilities that could lead to remote code execution and data leakage.

Q: Is Thunderbird still affected by MFSA2021-17 if I am using an older version?

Yes, using an older version of Thunderbird makes your system vulnerable to the issues fixed in MFSA2021-17.

Q: What should I do if I cannot update Thunderbird due to compatibility issues?

If you cannot update Thunderbird, consider alternative secure email clients or implement additional security measures.

Published Mar 8, 2021

Updated

Security Vulnerabilities fixed in Thunderbird 78.8.1

Affected Software

1 affected componentFixes available

Mozilla Thunderbird<78.8.1

78.8.1

Event History

Mar 8, 2021

Advisory Published

via Mozilla·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

CVE-2021-29950

Frequently Asked Questions

What is the severity of MFSA2021-17?

The severity of MFSA2021-17 is identified as critical due to the potential impact on user security.

How do I fix MFSA2021-17?

To fix MFSA2021-17, update Thunderbird to version 78.8.1 or later.

What vulnerabilities are addressed in MFSA2021-17?

MFSA2021-17 addresses multiple security vulnerabilities that could lead to remote code execution and data leakage.

Is Thunderbird still affected by MFSA2021-17 if I am using an older version?