MFSA2025-87: Security Vulnerabilities fixed in Firefox 145
Published Nov 11, 2025
·Updated
Security Vulnerabilities fixed in Firefox 145
Affected Software
1 affected componentFixes available
Mozilla Firefox<145
145
Event History
Nov 11, 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 MFSA2025-87?
The severity of MFSA2025-87 is classified as high due to multiple security vulnerabilities affecting Firefox.
2
How do I fix MFSA2025-87?
To fix MFSA2025-87, update Firefox to version 145 or later.
3
What vulnerabilities are addressed in MFSA2025-87?
MFSA2025-87 addresses several security vulnerabilities including potential memory corruption and XSS issues.
4
Who is affected by MFSA2025-87?
Users of Mozilla Firefox versions prior to 145 are affected by MFSA2025-87.
5
Is there a workaround for the issues in MFSA2025-87?
There are no recommended workarounds; the best action is to update Firefox to version 145.