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CVE-2017-3137

22
FAUCET Score

CVE-2017-3137 is a high-severity vulnerability affecting multiple versions of BIND, including those distributed by Debian, ISC, NetApp, and Red Hat. It stems from incorrect assumptions in BIND's handling of CNAME or DNAME records in DNS responses, leading to an assertion failure and denial of service. With a CVSS score of 7.5, this vulnerability is easily exploitable over the network without authentication, allowing an attacker to crash the BIND service. While there is no known active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
9.9.9CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.9.9:p6:*:*:*:*:*:*
9.9.9CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.9.9:s8:*:*:*:*:*:*
9.9.10CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.9.10:beta1:*:*:*:*:*:*
9.9.10CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.9.10:rc1:*:*:*:*:*:*
9.10.4CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.10.4:p6:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
8.97%
Probability of exploitation in next 30 days
EPSS Percentile
94.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0897 is in the 91st percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (12)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: bind-32:9.8.2-0.62.rc1.el6_9.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.2 Advanced Update SupportFixed in: bind-32:9.7.3-8.P3.el6_2.9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.4 Advanced Update SupportFixed in: bind-32:9.8.2-0.17.rc1.el6_4.12
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.5 Advanced Update SupportFixed in: bind-32:9.8.2-0.23.rc1.el6_5.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.5 Telco Extended Update SupportFixed in: bind-32:9.8.2-0.23.rc1.el6_5.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.6 Advanced Update SupportFixed in: bind-32:9.8.2-0.30.rc1.el6_6.9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.6 Telco Extended Update SupportFixed in: bind-32:9.8.2-0.30.rc1.el6_6.9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.7 Extended Update SupportFixed in: bind-32:9.8.2-0.37.rc1.el6_7.11
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: bind-32:9.9.4-38.el7_3.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.2 Extended Update SupportFixed in: bind-32:9.9.4-29.el7_2.6
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: bind
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: bind97

Vendor Advisories (1)

redhatCVE-2017-3137Important

bind: Processing a response containing CNAME or DNAME with unusual order can crash resolver

Apr 12, 2017

References

access.redhat.com / errata/RHSA-2017:1095
Third Party Advisory
access.redhat.com / errata/RHSA-2017:1105
Third Party Advisory
access.redhat.com / errata/RHSA-2017:1582
Third Party Advisory
access.redhat.com / errata/RHSA-2017:1583
Third Party Advisory
kb.isc.org / docs/aa-01466
Vendor Advisory
security.gentoo.org / glsa/201708-01
Third Party Advisory
security.netapp.com / advisory/ntap-20180802-0002
Third Party Advisory
debian.org / security/2017/dsa-3854
Third Party Advisory
securityfocus.com / bid/97651
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038258
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040195
Third Party AdvisoryVDB Entry