CVE-2026-10702
JIT Miscompilation in Firefox JavaScript Engine
Publication date: 2026-06-02
Last updated on: 2026-06-02
Assigner: Mozilla Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | 151.0.3 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Just-In-Time (JIT) miscompilation issue in the JavaScript Engine's JIT component used by Mozilla Firefox. It means that the JIT compiler incorrectly compiles JavaScript code, which could lead to unexpected behavior or security issues. The problem was fixed in Firefox version 151.0.3.
How can this vulnerability impact me? :
A JIT miscompilation vulnerability in the JavaScript engine can cause incorrect execution of JavaScript code, potentially leading to security risks such as crashes, data corruption, or exploitation by attackers to execute arbitrary code. Users running vulnerable versions of Firefox before 151.0.3 could be at risk.
What immediate steps should I take to mitigate this vulnerability?
The vulnerability was fixed in Firefox version 151.0.3. To mitigate this vulnerability, you should update your Firefox browser to version 151.0.3 or later.