dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory information via vectors involving handling DHCPv6 forwarded requests.
https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq
https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html
https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html
https://www.kb.cert.org/vuls/id/973527
https://www.exploit-db.com/exploits/42944/
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
https://security.gentoo.org/glsa/201710-27
https://access.redhat.com/security/vulnerabilities/3199382
https://access.redhat.com/errata/RHSA-2017:2837
https://access.redhat.com/errata/RHSA-2017:2836
http://www.ubuntu.com/usn/USN-3430-2
http://www.ubuntu.com/usn/USN-3430-1
http://www.securitytracker.com/id/1039474
http://www.securityfocus.com/bid/101085
http://www.debian.org/security/2017/dsa-3989
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
http://thekelleys.org.uk/dnsmasq/CHANGELOG
http://nvidia.custhelp.com/app/answers/detail/a_id/4561
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html