CVE-2025-11153
HIGHCVSS 7.5/10EPSS 0.22%
Last modified
CVE-2025-11153 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 143.0.3.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 143.0.3.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 143.0.3 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1987481Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-80/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-11153?
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 143.0.3.
How severe is CVE-2025-11153?
CVE-2025-11153 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2025-11153?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2025-11153?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST