CVE-2016-10197

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 79%
VendorProductVersion
debiandebian_linux
8.0
libevent_projectlibevent
𝑥
≤ 2.1.5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libevent
bullseye
2.1.12-stable-1
fixed
bookworm
2.1.12-stable-8
fixed
sid
2.1.12-stable-10
fixed
trixie
2.1.12-stable-10
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
zesty
Fixed 53.0+build6-0ubuntu0.17.04.1
released
yakkety
Fixed 53.0+build6-0ubuntu0.16.10.1
released
xenial
Fixed 53.0+build6-0ubuntu0.16.04.1
released
trusty
Fixed 53.0+build6-0ubuntu0.14.04.1
released
precise
ignored
libevent
zesty
Fixed 2.0.21-stable-3
released
yakkety
Fixed 2.0.21-stable-2ubuntu0.16.10.1
released
xenial
Fixed 2.0.21-stable-2ubuntu0.16.04.1
released
trusty
Fixed 2.0.21-stable-1ubuntu1.14.04.2
released
precise
Fixed 2.0.16-stable-1ubuntu0.2
released
thunderbird
zesty
Fixed 1:52.1.1+build1-0ubuntu0.17.04.1
released
yakkety
Fixed 1:52.1.1+build1-0ubuntu0.16.10.1
released
xenial
Fixed 1:52.1.1+build1-0ubuntu0.16.04.1
released
trusty
Fixed 1:52.1.1+build1-0ubuntu0.14.04.1
released
Common Weakness Enumeration
References
http://www.debian.org/security/2017/dsa-3789
http://www.openwall.com/lists/oss-security/2017/01/31/17
http://www.openwall.com/lists/oss-security/2017/02/02/7
http://www.securityfocus.com/bid/96014
http://www.securitytracker.com/id/1038320
https://access.redhat.com/errata/RHSA-2017:1104
https://access.redhat.com/errata/RHSA-2017:1106
https://access.redhat.com/errata/RHSA-2017:1201
https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
https://github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9e
https://github.com/libevent/libevent/issues/332
https://security.gentoo.org/glsa/201705-01
http://www.debian.org/security/2017/dsa-3789
http://www.openwall.com/lists/oss-security/2017/01/31/17
http://www.openwall.com/lists/oss-security/2017/02/02/7
http://www.securityfocus.com/bid/96014
http://www.securitytracker.com/id/1038320
https://access.redhat.com/errata/RHSA-2017:1104
https://access.redhat.com/errata/RHSA-2017:1106
https://access.redhat.com/errata/RHSA-2017:1201
https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
https://github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9e
https://github.com/libevent/libevent/issues/332
https://security.gentoo.org/glsa/201705-01