Description
The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involving the label_len variable, which triggers an out-of-bounds stack read.
References (12)
Core 12
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/96014
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:1106
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3789
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2017/02/02/7
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201705-01
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/libevent/libevent/issues/317
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2017/01/31/17
Broken Link, Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1038320
Release Notes, Third Party Advisory x_refsource_confirm
https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:1104
Patch, Third Party Advisory x_refsource_confirm
https://github.com/libevent/libevent/commit/96f64a022014a208105ead6c8a7066018449d86d
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:1201
Scores
CVSS v3
9.8
EPSS
0.0593
EPSS Percentile
90.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-125
Status
published
Products (2)
debian/debian_linux
8.0
libevent_project/libevent
< 2.1.5
Published
Mar 15, 2017
Tracked Since
Feb 18, 2026