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.
Si un atacante cargó una fuente usando <code>FontFace()</code> en un trabajador en segundo plano, podría haberse producido un use after free, lo que habría provocado un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox < 107.
Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the contents of the addressbar, bypass security restrictions, cross-site tracing or execute arbitrary code.
