MFSA2025-78: Security Vulnerabilities fixed in Thunderbird 140.3
Security Vulnerabilities fixed in Thunderbird 140.3
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 140.3
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of MFSA2025-78?
The severity of MFSA2025-78 is classified as high due to the potential impact on user data and application integrity.
How do I fix MFSA2025-78?
To fix MFSA2025-78, users should update their Mozilla Thunderbird to version 140.3 or above.
What vulnerabilities are addressed in MFSA2025-78?
MFSA2025-78 addresses multiple security vulnerabilities that could allow for unauthorized access and data leakage.
Is my version of Thunderbird affected by MFSA2025-78?
Any version of Thunderbird prior to 140.3 is affected by the vulnerabilities described in MFSA2025-78.
How can I ensure my Thunderbird is secure after the MFSA2025-78 update?
To ensure security after the MFSA2025-78 update, regularly check for and apply updates to Thunderbird and implement best security practices.