CVE-2019-9820

Puede ocurrir una vulnerabilidad de uso de la memoria previamente liberada en el controlador de eventos de Chrome cuando se libera mientras aún está en uso. Esto resulta en un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Thunderbird anterior a versión 60.7, Firefox anterior a versión 67 y Firefox ESR anterior a versión 60.7.

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, bypass same-origin protections, or execute arbitrary code. Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code. Various other issues were also addressed.