CVE-2024-3856
HIGHCVSS 8.8/10EPSS 0.61%
Last modified
CVE-2024-3856 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array. This vulnerability affects Firefox < 125.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.
Description
A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array. This vulnerability affects Firefox < 125.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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=1885829Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1885829Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2024-3856?
A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array. This vulnerability affects Firefox < 125.
How severe is CVE-2024-3856?
CVE-2024-3856 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.
How do I fix CVE-2024-3856?
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.
Are you affected by CVE-2024-3856?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST