CVE-2019-11721

El carácter latino 'kra' de Unicode puede ser usado para falsificar un carácter 'k' estándar en la barra de direcciones. Esto permite que los ataques de suplantación de dominio no se muestren como texto de código púny, lo que permite la confusión del usuario. Esta vulnerabilidad afecta a Firefox anterior a versión 68.

A sandbox escape was discovered in Firefox. If a user were tricked in to installing a malicious language pack, an attacker could exploit this to gain additional privileges. 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, obtain sensitive information, bypass same origin restrictions, conduct cross-site scripting attacks, conduct cross-site request forgery attacks, spoof origin attributes, spoof the addressbar contents, bypass safebrowsing protections, or execute arbitrary code. Various other issues were also addressed.