HOMEVULNERABILITIESCVE-2016-8864
HIGH

CVE-2016-8864

CWE-617Published: November 2, 2016· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

named in ISC BIND 9.x before 9.9.9-P4, 9.10.x before 9.10.4-P4, and 9.11.x before 9.11.0-P1 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a DNAME record in the answer section of a response to a recursive query, related to db.c and resolver.c.

NVD Source

Technical Analysis

CVE-2016-8864 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
isc1 product(s)
bind
netapp3 product(s)
data ontap edgesolidfiresteelstore cloud integrated storage
Red Hat6 product(s)
enterprise linux desktopenterprise linux eusenterprise linux serverenterprise linux server ausenterprise linux server tusenterprise linux workstation
Source: NVD CPE · 39 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2141.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2142.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2615.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2871.html
ADVISORYhttp://www.debian.org/security/2016/dsa-3703
ADVISORYhttp://www.securityfocus.com/bid/94067
ADVISORYhttp://www.securitytracker.com/id/1037156
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:1583
ADVISORYhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05381687
ADVISORYhttps://kb.isc.org/article/AA-01434
ADVISORYhttps://security.FreeBSD.org/advisories/FreeBSD-SA-16:34.bind.asc
ADVISORYhttps://security.gentoo.org/glsa/201701-26
ADVISORYhttps://security.netapp.com/advisory/ntap-20180926-0005/
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2141.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2142.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2615.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2871.html
ADVISORYhttp://www.debian.org/security/2016/dsa-3703
ADVISORYhttp://www.securityfocus.com/bid/94067
ADVISORYhttp://www.securitytracker.com/id/1037156
ADVISORYhttps://access.redhat.com/errata/RHSA-2017:1583
ADVISORYhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05381687
ADVISORYhttps://kb.isc.org/article/AA-01434
ADVISORYhttps://security.FreeBSD.org/advisories/FreeBSD-SA-16:34.bind.asc
ADVISORYhttps://security.gentoo.org/glsa/201701-26
ADVISORYhttps://security.netapp.com/advisory/ntap-20180926-0005/

All References (34)

→
http://rhn.redhat.com/errata/RHSA-2016-2141.htmlThird Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2016-2142.htmlThird Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2016-2615.htmlThird Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2016-2871.htmlThird Party Advisory
→
http://www.debian.org/security/2016/dsa-3703Third Party Advisory
→
http://www.securityfocus.com/bid/94067Third Party Advisory · VDB Entry
→
http://www.securitytracker.com/id/1037156Third Party Advisory · VDB Entry
→
https://access.redhat.com/errata/RHSA-2017:1583Third Party Advisory
→
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05381687Third Party Advisory
→
https://kb.isc.org/article/AA-01434Vendor Advisory
→
https://kb.isc.org/article/AA-01435Broken Link
→
https://kb.isc.org/article/AA-01436Broken Link
→
https://kb.isc.org/article/AA-01437Broken Link
→
https://kb.isc.org/article/AA-01438Broken Link
→
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:34.bind.ascThird Party Advisory

Quick Facts

CVE IDCVE-2016-8864
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-617
CISA KEVNo
Affected4 vendor(s)
PublishedNov 2, 2016

Related CVEs (CWE-617)

CVE-2019-9795
9.8
CVE-2020-3615
9.8
CVE-2020-6617
8.8
CVE-2020-12417
8.8
CVE-2020-6623
8.8
CVE-2020-6619
8.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-8864 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2016-8864·NVD