MFSA2026-50: Security Vulnerabilities fixed in Thunderbird 151
Published May 19, 2026
·Updated
Security Vulnerabilities fixed in Thunderbird 151
Affected Software
1 affected componentFixes available
Mozilla Thunderbird<151
151
Event History
May 19, 2026
Advisory Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of MFSA2026-50?
The severity of MFSA2026-50 is rated as high with a score of 7.
2
How do I fix MFSA2026-50?
To fix MFSA2026-50, update your Mozilla Thunderbird to version 151 or later.
3
What types of vulnerabilities are addressed in MFSA2026-50?
MFSA2026-50 addresses multiple security vulnerabilities impacting the Mozilla Thunderbird software.
4
When was MFSA2026-50 published?
MFSA2026-50 was published on May 19, 2026.
5
What software is affected by MFSA2026-50?
The vulnerabilities fixed in MFSA2026-50 affect Mozilla Thunderbird.