CVE-2025-14325
HighPublished
JIT miscompilation in the JavaScript Engine: JIT component
- Published
- Dec 9, 2025
- Updated
- Apr 13, 2026
- Assigning CNA
- mozilla
- Evidence observed
- Aug 8, 2026
Primary CVSS
7.3/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L0.3%
Low · next 30 days
- Percentile
- 27.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1Reproduction of CVE-2025-14325, providing a full proof-of-concept to demonstrate and analyze the vulnerability.
Responsible use
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