CVE-2024-3853: Use After Free
First published: Tue Apr 16 2024(Updated: )
A use-after-free could result if a JavaScript realm was in the process of being initialized when a garbage collection started.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/firefox | 135.0-1 | |
| Firefox | <125 | 125 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1884427
- https://www.mozilla.org/security/advisories/mfsa2024-18/
- https://launchpad.net/bugs/cve/CVE-2024-3853
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/#CVE-2024-3853
- https://security-tracker.debian.org/tracker/CVE-2024-3853
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3853
- https://nvd.nist.gov/vuln/detail/CVE-2024-3853
- https://ubuntu.com/security/CVE-2024-3853
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2024-3853?
The severity of CVE-2024-3853 is classified as high due to its potential to cause a use-after-free condition.
How do I fix CVE-2024-3853?
To fix CVE-2024-3853, update to Firefox version 125 or later.
Who is affected by CVE-2024-3853?
CVE-2024-3853 affects users of Mozilla Firefox versions prior to 125.
What causes CVE-2024-3853?
CVE-2024-3853 is caused by a use-after-free error during the initialization of a JavaScript realm coinciding with garbage collection.
Is there a workaround for CVE-2024-3853?
There are no known effective workarounds for CVE-2024-3853, thus updating is the best mitigation.
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