MFSA2025-84: Security Vulnerabilities fixed in Thunderbird 144
Published Oct 14, 2025
·Updated
Security Vulnerabilities fixed in Thunderbird 144
Affected Software
1 affected componentFixes available
Mozilla Thunderbird<144
144
Event History
Oct 14, 2025
Advisory Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
1
What types of vulnerabilities are addressed in MFSA2025-84?
MFSA2025-84 addresses multiple security vulnerabilities affecting Thunderbird version 144.
2
What is the severity of MFSA2025-84?
The severity of vulnerabilities fixed in MFSA2025-84 varies, but they are significant enough to warrant an update.
3
How do I fix MFSA2025-84?
To fix MFSA2025-84, users should update Thunderbird to version 144 or later.
4
Who is affected by MFSA2025-84?
Users of Mozilla Thunderbird versions up to and including 144 are affected by MFSA2025-84.
5
When was the MFSA2025-84 advisory released?
The MFSA2025-84 advisory was released in conjunction with the update for Thunderbird version 144.