CVE-2024-4771
HIGHCVSS 8.6/10EPSS 0.52%
Last modified
CVE-2024-4771 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. A memory allocation check was missing which would lead to a use-after-free if the allocation failed. This could have triggered a crash or potentially be leveraged to achieve code execution. EPSS estimates a 0.52% chance of exploitation in the next 30 days.
Description
A memory allocation check was missing which would lead to a use-after-free if the allocation failed. This could have triggered a crash or potentially be leveraged to achieve code execution. This vulnerability affects Firefox < 126.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 126.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893891Exploit, Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893891Exploit, Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2024-4771?
A memory allocation check was missing which would lead to a use-after-free if the allocation failed. This could have triggered a crash or potentially be leveraged to achieve code execution. This vulnerability affects Firefox < 126.
How severe is CVE-2024-4771?
CVE-2024-4771 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.
How do I fix CVE-2024-4771?
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-2024-4771?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST