CVE-2015-8899: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

Dnsmasq before 2.76 allows remote servers to cause a denial of service (crash) via a reply with an empty DNS address that has an (1) A or (2) AAAA record defined locally.

Affected products

• Canonical Ubuntu Linux: version 15.10 only; version 16.04 only
• Thekelleys Dnsmasq: up to and including 2.75

Published 2016-06-30. Last modified 2026-06-17.