MFSA2025-90: Security Vulnerabilities fixed in Thunderbird 145
Published Nov 13, 2025
·Updated
Security Vulnerabilities fixed in Thunderbird 145
Affected Software
1 affected componentFixes available
Mozilla Thunderbird<145
145
Event History
Nov 13, 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 is the severity of MFSA2025-90?
MFSA2025-90 addresses multiple security vulnerabilities that could lead to information disclosure and potential execution of arbitrary code.
2
How do I fix MFSA2025-90?
To fix MFSA2025-90, you should upgrade to Thunderbird version 145 or later.
3
What vulnerabilities are included in MFSA2025-90?
MFSA2025-90 includes security vulnerabilities related to incorrect memory handling, which can affect system integrity.
4
Is there a workaround for MFSA2025-90?
There are no recommended workarounds for MFSA2025-90; updating to the latest version is necessary for security.
5
How does MFSA2025-90 impact my data security?
MFSA2025-90 could potentially expose sensitive information or allow unauthorized access to your system if not addressed promptly.