MFSA2025-65: Security Vulnerabilities fixed in Firefox ESR 115.27
Published Aug 19, 2025
·Updated
Security Vulnerabilities fixed in Firefox ESR 115.27
Affected Software
1 affected componentFixes available
Mozilla Firefox ESR<115.27
115.27
Event History
Aug 19, 2025
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 MFSA2025-65?
The severity of MFSA2025-65 includes critical security vulnerabilities that could potentially allow for remote code execution.
2
How do I fix MFSA2025-65?
To fix MFSA2025-65, update your Firefox ESR to version 115.27 or later.
3
What versions of Firefox are affected by MFSA2025-65?
Firefox ESR versions up to and including 115.27 are affected by MFSA2025-65.
4
When was the MFSA2025-65 advisory released?
The MFSA2025-65 advisory was released by Mozilla to inform users about the vulnerabilities fixed in Firefox ESR 115.27.
5
What should I do if I cannot update to Firefox ESR 115.27 due to compatibility issues?
If you cannot update to Firefox ESR 115.27, consider using alternative browsers or ensuring your environment is closely monitored for security threats.