CVE-2025-14325
BaseFortify
Publication date: 2025-12-09
Last updated on: 2026-04-13
Assigner: Mozilla Corporation
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | to 140.6.0 (exc) |
| mozilla | firefox | to 146.0 (exc) |
| mozilla | thunderbird | to 140.6.0 (exc) |
| mozilla | thunderbird | to 146.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-NVD-CWE-noinfo |
Attack-Flow Graph
AI Powered Q&A
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update Firefox to version 146 or later, and Firefox ESR to version 140.6 or later. These versions include fixes for the JIT miscompilation vulnerability in the JavaScript Engine as well as other related security issues. [2]
Can you explain this vulnerability to me?
This vulnerability is a Just-In-Time (JIT) miscompilation issue in the JavaScript Engine's JIT component in Firefox versions before 146 and Firefox ESR versions before 140.6. It means that the JIT compiler may incorrectly compile JavaScript code, potentially leading to unexpected behavior or security issues.
How can this vulnerability impact me? :
The impact of this vulnerability could include incorrect execution of JavaScript code, which might be exploited to cause crashes, execute arbitrary code, or bypass security mechanisms in affected Firefox versions.