This bug was fixed in the package dnsmasq - 2.75-1ubuntu0.16.04.1
---------------
dnsmasq (2.75-1ubuntu0.16.04.1) xenial-security; urgency=medium
* SECURITY UPDATE: denial of service via crafted CNAME (LP: #1581181)
- src/cache.c: fix crash when empty address from DNS overlays A record
from hosts.
- 41a8d9e99be9f2cc8b02051dd322cb45e0faac87
- CVE-2015-8899
-- Marc Deslauriers <[email protected]> Tue, 14 Jun 2016
15:05:23 +0300
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https://bugs.launchpad.net/bugs/1581181
Title:
dnsmasq crashes querying any CNAME that points to
localhost.localdomain
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