CVE-2019-14586

Una vulnerabilidad de uso de la memoria previamente liberada en EDK II, puede habilitar a un usuario autenticado para permitir potencialmente una escalada de privilegios, una divulgación de información y/o una denegación de servicio por medio de un acceso adyacente

A buffer overflow was discovered in the network stack. An unprivileged user could potentially enable escalation of privilege and/or denial of service. This issue was already fixed in a previous release for 18.04 LTS and 19.10. A buffer overflow was discovered in BlockIo service. An unauthenticated user could potentially enable escalation of privilege, information disclosure and/or denial of service. This issue was already fixed in a previous release for 18.04 LTS and 19.10. Various other issues were also addressed.