MFSA2025-45: Security Vulnerabilities fixed in Thunderbird 139
Published May 27, 2025
·Updated
Security Vulnerabilities fixed in Thunderbird 139
Affected Software
1 affected componentFixes available
Mozilla Thunderbird<139
139
Event History
May 27, 2025
Advisory Published
via Mozilla·12:00 AM
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of MFSA2025-45?
MFSA2025-45 is categorized as a high-severity vulnerability that could lead to potential data exposure.
2
How do I fix MFSA2025-45?
To fix MFSA2025-45, update your Thunderbird to version 139 or later.
3
What software is affected by MFSA2025-45?
MFSA2025-45 affects all versions of Thunderbird prior to 139.
4
What type of vulnerabilities are addressed in MFSA2025-45?
MFSA2025-45 addresses several security vulnerabilities including those that could allow for code execution.
5
Is there a known exploit for MFSA2025-45?
As of now, there are no public exploits specifically targeting the vulnerabilities outlined in MFSA2025-45.