CVE-2024-4771: Use After Free
First published: Tue May 14 2024(Updated: )
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.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/firefox | 130.0.1-1 | |
| Firefox | <126 | 126 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893891
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-21/
- https://www.mozilla.org/security/advisories/mfsa2024-21/
- https://launchpad.net/bugs/cve/CVE-2024-4771
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-21/#CVE-2024-4771
- https://security-tracker.debian.org/tracker/CVE-2024-4771
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-4771
- https://nvd.nist.gov/vuln/detail/CVE-2024-4771
- https://ubuntu.com/security/CVE-2024-4771
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2024-4771?
CVE-2024-4771 has a high severity rating due to its potential to trigger crashes or achieve code execution.
How do I fix CVE-2024-4771?
To fix CVE-2024-4771, update Mozilla Firefox to version 126 or later.
Which versions of Firefox are affected by CVE-2024-4771?
CVE-2024-4771 affects Mozilla Firefox versions prior to 126.
Can CVE-2024-4771 lead to code execution?
Yes, CVE-2024-4771 could potentially be leveraged to achieve code execution due to a use-after-free vulnerability.
Is there a workaround for CVE-2024-4771 until I can update?
There are no specific workarounds for CVE-2024-4771; updating is the recommended solution.
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