Vulnerability DatabaseCVE-2025-14324
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CVE-2025-14324
Published:December 09, 2025
Updated:April 13, 2026
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (6)
https://www.mozilla.org/security/advisories/mfsa2025-92/
https://www.mozilla.org/security/advisories/mfsa2025-96/
https://www.mozilla.org/security/advisories/mfsa2025-93/
https://www.mozilla.org/security/advisories/mfsa2025-94/
https://bugzilla.mozilla.org/show_bug.cgi?id=1996840
https://www.mozilla.org/security/advisories/mfsa2025-95/
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Control of Generation of Code ('Code Injection')
CWE-94
EPSS
Base Score:
0.10