A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. This results in a potentially exploitable crash. This vulnerability affects Firefox < 67.
Puede ocurrir una vulnerabilidad de uso de la memoria previamente liberada en AssertWorkerThread debido a una condición de carrera con trabajadores compartidos. Esto resulta en un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox anterior a versión 67.
Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the browser UI, trick the user in to launching local executable binaries, obtain sensitive information, conduct cross-site scripting attacks, or execute arbitrary code. Various other issues were also addressed.