CVE-2022-45407: Use After Free
First published: Tue Nov 15 2022(Updated: )
If an attacker loaded a font using <code>FontFace()</code> on a background worker, a use-after-free could have occurred, leading to a potentially exploitable crash. This vulnerability affects Firefox < 107.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox | <107 | 107 |
| Mozilla Firefox | <107.0 | |
| <107.0 |
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Reference Links
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2022-45407?
CVE-2022-45407 is a vulnerability that occurs when an attacker loads a font using FontFace() on a background worker, leading to a potentially exploitable crash in Firefox versions prior to 107.
How does CVE-2022-45407 affect Firefox?
CVE-2022-45407 affects Firefox versions prior to 107.
What is the severity of CVE-2022-45407?
CVE-2022-45407 has a severity rating of 7 (high).
How can an attacker exploit CVE-2022-45407?
An attacker can exploit CVE-2022-45407 by loading a font using FontFace() on a background worker.
Where can I find more information about CVE-2022-45407?
You can find more information about CVE-2022-45407 in the references provided: [link1], [link2], [link3].
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