JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Mozilla
  • Firefox
  • Firefox Esr
  • Thunderbird

Configuration 1 [-]

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*

No data.

References
Link Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=1998050 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-14325 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-14325 cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-92/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-94/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-94/#CVE-2025-14325 cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-95/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-96/ cve-icon cve-icon
History

Wed, 10 Dec 2025 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla thunderbird
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
Vendors & Products Mozilla thunderbird

Wed, 10 Dec 2025 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Mozilla firefox Esr
Vendors & Products Mozilla
Mozilla firefox
Mozilla firefox Esr

Wed, 10 Dec 2025 14:45:00 +0000

Type Values Removed Values Added
Description JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146 and Firefox ESR < 140.6. JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
References

Wed, 10 Dec 2025 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94
References
Metrics threat_severity

None

 threat_severity

Important

Tue, 09 Dec 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 09 Dec 2025 13:45:00 +0000

Type Values Removed Values Added
Description JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146 and Firefox ESR < 140.6.
Title JIT miscompilation in the JavaScript Engine: JIT component
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2025-12-09T13:37:58.843Z

Updated: 2025-12-10T14:32:20.720Z

Reserved: 2025-12-09T13:37:58.128Z

Link: CVE-2025-14325

cve-icon Vulnrichment

Updated: 2025-12-09T17:03:49.043Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-09T16:17:40.010

Modified: 2025-12-10T20:35:54.990

Link: CVE-2025-14325

cve-icon Redhat

Severity : Important

Publid Date: 2025-12-09T13:37:58Z

Links: CVE-2025-14325 - Bugzilla