CVE-2018-5104

Puede ocurrir una vulnerabilidad de uso de memoria previamente liberada durante la manipulación de font-face cuando una regla font face se libera mientras se utiliza, resultando en un cierre inesperado potencialmente explotable. Esta vulnerabilidad afecta a las versiones anteriores a la 52.6 de Thunderbird, las versiones anteriores a la 52.6 de Firefox ESR y las versiones anteriores a la 58 de Firefox.

It was discovered that a From address encoded with a null character is cut off in the message header display. An attacker could potentially exploit this to spoof the sender address. It was discovered that it is possible to execute JavaScript in RSS feeds in some circumstances. If a user were tricked in to opening a specially crafted RSS feed, an attacker could potentially exploit this in combination with another vulnerability, in order to cause unspecified problems. Various other issues were also addressed.