CVE-2016-5180
Critical
CVE-2016-5180
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.
Exploit probability
8.6%
Published
October 3, 2016
Required by
Not available
Last source change
July 8, 2026
02 / AFFECTED SOFTWARE
Affected packages
102 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2016-5180
View original source
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.
05 / REFERENCES
Further evidence
- http://rhn.redhat.com/errata/RHSA-2017-0002.html
- http://www.debian.org/security/2016/dsa-3682
- http://www.securityfocus.com/bid/93243
- http://www.ubuntu.com/usn/USN-3143-1
- https://c-ares.haxx.se/CVE-2016-5180.patch
- https://c-ares.haxx.se/adv_20160929.html
- https://googlechromereleases.blogspot.in/2016/09/stable-channel-updates-for-chrome-os.html
- https://security.gentoo.org/glsa/201701-28
- https://source.android.com/security/bulletin/2017-01-01.html