MFSA2025-83: Security Vulnerabilities fixed in Firefox ESR 140.4
Security Vulnerabilities fixed in Firefox ESR 140.4
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 140.4 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 140.4
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of MFSA2025-83?
The severity of MFSA2025-83 has been classified as critical due to potential exploitation leading to arbitrary code execution.
How do I fix MFSA2025-83?
To fix MFSA2025-83, update your Firefox ESR to version 140.4 or later.
What vulnerabilities are addressed in MFSA2025-83?
MFSA2025-83 addresses multiple critical security vulnerabilities that could allow for security breaches in Firefox ESR.
Can I continue using my current version after MFSA2025-83?
It is highly recommended to upgrade to version 140.4 to avoid security risks associated with MFSA2025-83.
What should I do if I cannot update Firefox ESR to version 140.4 for MFSA2025-83?
If you cannot update, consider switching to a different browser or using a supported version of Firefox to maintain security.