CVE-2025-14330
Public on 2025-12-09
Modified on 2025-12-11
Description
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146 and Firefox ESR < 140.6.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Firefox Extra | firefox | 2026-01-05 | ALAS2FIREFOX-2025-049 | Fixed |
| Amazon Linux 2023 | firefox | 2026-01-07 | ALAS2023-2025-1337 | Fixed |
| Amazon Linux 2 - Core | thunderbird | 2026-01-05 | ALAS2-2025-3108 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | CVSSv3 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |