CVE-2018-5154

Puede ocurrir una vulnerabilidad de uso de memoria previamente liberada cuando se enumeran atributos durante las animaciones SVG con las rutas de clips. Esto resulta en un cierre inesperado explotable. 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.