CVE-2022-45407: Use After Free
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.
Other sources
If an attacker loaded a font using FontFace() on a background worker, a use-after-free could have occurred, leading to a potentially exploitable crash.
Affected Software
Event History
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].