libevent is vulnerable to stack-based buffer overflow attacks. an attacker could cause the application to crash when parsing a malformed address in IPv6 notation of more than 2GiB in length resulting in denial of service conditions.
www.debian.org/security/2017/dsa-3789
www.openwall.com/lists/oss-security/2017/01/31/17
www.openwall.com/lists/oss-security/2017/02/02/7
www.securityfocus.com/bid/96014
www.securitytracker.com/id/1038320
access.redhat.com/errata/RHSA-2017:1104
access.redhat.com/errata/RHSA-2017:1106
access.redhat.com/errata/RHSA-2017:1201
access.redhat.com/security/cve/CVE-2016-10195
access.redhat.com/security/cve/CVE-2016-10196
access.redhat.com/security/cve/CVE-2016-10197
access.redhat.com/security/updates/classification/#critical
bugzilla.mozilla.org/show_bug.cgi?id=1343453
bugzilla.redhat.com/show_bug.cgi?id=1443326
github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5
github.com/libevent/libevent/issues/318
security.gentoo.org/glsa/201705-01
www.mozilla.org/en-US/security/advisories/mfsa2017-08
www.mozilla.org/security/advisories/mfsa2017-10/
www.mozilla.org/security/advisories/mfsa2017-11/
www.mozilla.org/security/advisories/mfsa2017-12/
www.mozilla.org/security/advisories/mfsa2017-13/