CVE-2024-3853
HIGHCVSS 7.5/10EPSS 0.36%
Last modified
CVE-2024-3853 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A use-after-free could result if a JavaScript realm was in the process of being initialized when a garbage collection started. This vulnerability affects Firefox < 125.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
A use-after-free could result if a JavaScript realm was in the process of being initialized when a garbage collection started. This vulnerability affects Firefox < 125.
Metrics
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 125.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1884427Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1884427Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2024-3853?
A use-after-free could result if a JavaScript realm was in the process of being initialized when a garbage collection started. This vulnerability affects Firefox < 125.
How severe is CVE-2024-3853?
CVE-2024-3853 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2024-3853?
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-2024-3853?
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Scan your code nowSource: NVD / NIST