Package : xen Version : 4.4.4lts1-0+deb8u1 CVE ID : CVE-2016-4963 CVE-2017-14431 Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, informations leaks or privilege escalation. For Debian 8 "Jessie", these problems have been fixed in version 4.4.4lts1-0+deb8u1. We recommend that you upgrade your xen packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS