description: 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.
problem types: Loading fonts on workers was not thread-safe
affected:
{
vendor: Mozilla
product: Firefox
versions:
version: unspecified, lessThan: 107, status: affected, versionType: custom
}