CVE-2016-5180

9.8 CRITICAL
Published: October 03, 2016 Modified: May 06, 2026
View on NVD

Description

Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0002.html
Source: chrome-cve-admin@google.com
http://www.debian.org/security/2016/dsa-3682
Source: chrome-cve-admin@google.com
http://www.securityfocus.com/bid/93243
Source: chrome-cve-admin@google.com
http://www.ubuntu.com/usn/USN-3143-1
Source: chrome-cve-admin@google.com
https://c-ares.haxx.se/CVE-2016-5180.patch
Source: chrome-cve-admin@google.com
https://c-ares.haxx.se/adv_20160929.html
Source: chrome-cve-admin@google.com
https://security.gentoo.org/glsa/201701-28
Source: chrome-cve-admin@google.com
http://rhn.redhat.com/errata/RHSA-2017-0002.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2016/dsa-3682
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/93243
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3143-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://c-ares.haxx.se/CVE-2016-5180.patch
Source: af854a3a-2127-422b-91ae-364da2661108
https://c-ares.haxx.se/adv_20160929.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201701-28
Source: af854a3a-2127-422b-91ae-364da2661108
https://source.android.com/security/bulletin/2017-01-01.html
Source: af854a3a-2127-422b-91ae-364da2661108

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
18.2%
95th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

c-ares_project debian canonical c-ares nodejs