CVE-2018-5150

Se han informado de errores de seguridad de memoria en Firefox 55, Firefox ESR 52.7 y Thunderbird 52.7. Algunos de estos errores mostraron evidencias de corrupción de memoria y se cree que, con el esfuerzo necesario, se podrían explotar para ejecutar código arbitrario. Esta vulnerabilidad afecta a las versiones anteriores a la 52.8 de Thunderbird, las versiones anteriores a la 52.8 de Thunderbird ESR, las versiones anteriores a la 60 de Firefox y las versiones anteriores a la 52.8 de Firefox ESR.

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 via application crash, install lightweight themes without user interaction, or execute arbitrary code. An issue was discovered when processing message headers in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit this to cause a denial of service via application hang. Various other issues were also addressed.