CVE-2016-10197

Name	CVE-2016-10197
Description	The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (out-of-bounds read) via an empty hostname.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-824-1, DSA-3789-1
NVD severity	medium (attack range: remote)
Debian Bugs	854092

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libevent (PTS)	jessie, jessie (security)	2.0.21-stable-2+deb8u1	fixed
	stretch	2.0.21-stable-3	fixed
	buster, sid	2.1.8-stable-4	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libevent	source	(unstable)	2.0.21-stable-3	medium		854092
libevent	source	jessie	2.0.21-stable-2+deb8u1	medium	DSA-3789-1
libevent	source	wheezy	2.0.19-stable-3+deb7u2	medium	DLA-824-1

https://github.com/libevent/libevent/issues/332
http://www.openwall.com/lists/oss-security/2017/01/31/17