CVE-2017-14494: Canonical Ubuntu Linux

Medium severity, CVSS 5.9. EPSS: 67.5% chance of exploitation in the next 30 days.

dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory information via vectors involving handling DHCPv6 forwarded requests.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 17.04 only
• Debian Debian Linux: version 7.0 only; version 7.1 only; version 9.0 only
• Novell Leap: version 42.2 only; version 42.3 only
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Workstation: version 7.0 only
• Thekelleys Dnsmasq: up to and including 2.77

Published 2017-10-03. Last modified 2026-06-17.