MFSA2025-21: Security Vulnerabilities fixed in Firefox ESR 115.22
First published: Tue Apr 01 2025(Updated: )
Security Vulnerabilities fixed in Firefox ESR 115.22
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Firefox ESR | <115.22 | 115.22 |
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Reference Links
Frequently Asked Questions
What is the severity of MFSA2025-21?
MFSA2025-21 addresses critical security vulnerabilities that could enable arbitrary code execution and other serious exploits.
How do I fix MFSA2025-21?
To fix MFSA2025-21, update Firefox ESR to version 115.22 or later.
What versions of Firefox ESR are affected by MFSA2025-21?
Firefox ESR versions up to and including 115.21 are affected by MFSA2025-21.
Are there any known exploits for MFSA2025-21?
Yes, there are reports of active exploits in the wild for the vulnerabilities addressed in MFSA2025-21.
What components of Firefox ESR does MFSA2025-21 impact?
MFSA2025-21 impacts multiple components of Firefox ESR, including the rendering engine and various browser features.
- collector/mozilla-advisory
- source/Mozilla
- agent/software-canonical-lookup
- agent/title
- agent/last-modified-date
- agent/references
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- agent/softwarecombine
- agent/description
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- vendor/mozilla
- canonical/firefox esr