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Status published
Unknown
CVE-2025-14330
JIT miscompilation in the JavaScript Engine: JIT component
Vulnerability Description
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Rong Bao
References
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CVE-2025-9183
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Affected Vendor
Mozilla
View all reports →Affected Software
Firefox, Thunderbird
Vulnerable Versions:
140.6, 146
Timeline
Official Publish:
December 9th, 2025
Last Modified:
April 13th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.