A response packet can cause a resolver to terminate when processing an answer containing a CNAME or DNAME
Published Jan 16, 2019
7.5
HIGHCVSS 3.0
EPSS 8.97%
Description
Mistaken assumptions about the ordering of records in the answer section of a response containing CNAME or DNAME resource records could lead to a situation in which named would exit with an assertion failure when processing a response in which records occurred in an unusual order. Affects BIND 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0-P3, 9.11.1b1->9.11.1rc1, and 9.9.9-S8.
Affected products
-
- Version 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0-P3, 9.11.1b1->9.11.1rc1, and 9.9.9-S8StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
Configuration 1
Configuration 2
- 6.0
- 7.0
- 6.0
- 7.0
- 6.2
- 6.4
- 6.5
- 6.6
- 7.2
- 7.3
- 7.4
- 7.6
- 6.7
- 7.2
- 7.3
- 7.4
- 7.5
- 7.6
- 6.5
- 6.6
- 7.2
- 7.3
- 7.6
- 6.0
- 7.0
Configuration 3
- n/a
- n/a
- n/a
Configuration 4
- 8.0
No data.
Red Hat Enterprise Linux 6
bind-32:9.8.2-0.62.rc1.el6_9.1
Fixed · RHSA-2017:1105
Red Hat Enterprise Linux 6.2 Advanced Update Support
bind-32:9.7.3-8.P3.el6_2.9
Fixed · RHSA-2017:1582
Red Hat Enterprise Linux 6.4 Advanced Update Support
bind-32:9.8.2-0.17.rc1.el6_4.12
Fixed · RHSA-2017:1582
Red Hat Enterprise Linux 6.5 Advanced Update Support
bind-32:9.8.2-0.23.rc1.el6_5.7
Fixed · RHSA-2017:1582
Red Hat Enterprise Linux 6.5 Telco Extended Update Support
bind-32:9.8.2-0.23.rc1.el6_5.7
Fixed · RHSA-2017:1582
Red Hat Enterprise Linux 6.6 Advanced Update Support
bind-32:9.8.2-0.30.rc1.el6_6.9
Fixed · RHSA-2017:1582
Red Hat Enterprise Linux 6.6 Telco Extended Update Support
bind-32:9.8.2-0.30.rc1.el6_6.9
Fixed · RHSA-2017:1582
Red Hat Enterprise Linux 6.7 Extended Update Support
bind-32:9.8.2-0.37.rc1.el6_7.11
Fixed · RHSA-2017:1582
Red Hat Enterprise Linux 7
bind-32:9.9.4-38.el7_3.3
Fixed · RHSA-2017:1095
Red Hat Enterprise Linux 7.2 Extended Update Support
bind-32:9.9.4-29.el7_2.6
Fixed · RHSA-2017:1583
Red Hat Enterprise Linux 5
bind
Will not fix
Red Hat Enterprise Linux 5
bind97
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | bind-32:9.8.2-0.62.rc1.el6_9.1 | Fixed | RHSA-2017:1105 |
| Red Hat Enterprise Linux 6.2 Advanced Update Support | bind-32:9.7.3-8.P3.el6_2.9 | Fixed | RHSA-2017:1582 |
| Red Hat Enterprise Linux 6.4 Advanced Update Support | bind-32:9.8.2-0.17.rc1.el6_4.12 | Fixed | RHSA-2017:1582 |
| Red Hat Enterprise Linux 6.5 Advanced Update Support | bind-32:9.8.2-0.23.rc1.el6_5.7 | Fixed | RHSA-2017:1582 |
| Red Hat Enterprise Linux 6.5 Telco Extended Update Support | bind-32:9.8.2-0.23.rc1.el6_5.7 | Fixed | RHSA-2017:1582 |
| Red Hat Enterprise Linux 6.6 Advanced Update Support | bind-32:9.8.2-0.30.rc1.el6_6.9 | Fixed | RHSA-2017:1582 |
| Red Hat Enterprise Linux 6.6 Telco Extended Update Support | bind-32:9.8.2-0.30.rc1.el6_6.9 | Fixed | RHSA-2017:1582 |
| Red Hat Enterprise Linux 6.7 Extended Update Support | bind-32:9.8.2-0.37.rc1.el6_7.11 | Fixed | RHSA-2017:1582 |
| Red Hat Enterprise Linux 7 | bind-32:9.9.4-38.el7_3.3 | Fixed | RHSA-2017:1095 |
| Red Hat Enterprise Linux 7.2 Extended Update Support | bind-32:9.9.4-29.el7_2.6 | Fixed | RHSA-2017:1583 |
| Red Hat Enterprise Linux 5 | bind | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | bind97 | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Vendor solution
Upgrade to the patched release most closely related to your current version of BIND. These can all be downloaded from http://www.isc.org/downloads.
BIND 9 version 9.9.9-P8 BIND 9 version 9.10.4-P8 BIND 9 version 9.11.0-P5
BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.
BIND 9 version 9.9.9-S10
New maintenance releases of BIND are also scheduled which contain the fix for this vulnerability. In addition to the security releases listed above, fixes for this vulnerability are also included in these release candidate versions:
BIND 9 version 9.9.10rc3 BIND 9 version 9.10.5rc3 BIND 9 version 9.11.1rc3
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.97% (0.08975) | 95.11th | v5 (v2026.06.15) |
| Jun 23, 2026 | 8.97% (0.08975) | 94.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 14.57% (0.14572) | 96.20th | v5 (v2026.06.15) |
| Feb 18, 2026 | 28.35% (0.28351) | 96.39th | v4 (v2025.03.14) |
| Jan 20, 2026 | 34.25% (0.34251) | 96.85th | v4 (v2025.03.14) |
| Jan 18, 2026 | 31.19% (0.31194) | 96.62th | v4 (v2025.03.14) |
| Mar 30, 2025 | 34.71% (0.34706) | 96.66th | v4 (v2025.03.14) |
| Mar 29, 2025 | 32.86% (0.32861) | 95.12th | v4 (v2025.03.14) |
| Mar 17, 2025 | 34.71% (0.34706) | 96.64th | v4 (v2025.03.14) |
| Mar 13, 2025 | 49.52% (0.49519) | 97.70th | v3 (v2023.03.01) |
| Dec 26, 2024 | 54.43% (0.54431) | 97.76th | v3 (v2023.03.01) |
| Dec 17, 2024 | 46.79% (0.46787) | 97.52th | v3 (v2023.03.01) |
| Oct 31, 2024 | 22.68% (0.22677) | 96.64th | v3 (v2023.03.01) |
| Sep 17, 2024 | 25.79% (0.25787) | 96.79th | v3 (v2023.03.01) |
| Aug 22, 2024 | 14.46% (0.14462) | 95.84th | v3 (v2023.03.01) |
| Feb 8, 2024 | 19.12% (0.19123) | 96.09th | v3 (v2023.03.01) |
| Jan 10, 2024 | 33.37% (0.33368) | 96.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 29.81% (0.29811) | 96.19th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.36% (0.03358) | 84.40th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.36% (0.03358) | 82.80th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.36% (0.03358) | 65.90th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.48% (0.02476) | 54.92th | v1 |
| Jan 6, 2022 | 2.48% (0.02476) | 54.49th | v1 |
| Sep 1, 2021 | 2.48% (0.02476) | 78.74th | v1 |
| Apr 14, 2021 | 2.48% (0.02476) | 0.00th | v1 |
References (16)
- http://www.securityfocus.com/bid/97651 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038258 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040195 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1095 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1105 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1582 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1583 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-3137 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1441133 Issue Tracking
- https://kb.isc.org/article/AA-01466
- https://kb.isc.org/docs/aa-01466 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-3137
- https://security.gentoo.org/glsa/201708-01 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://security.netapp.com/advisory/ntap-20180802-0002/ x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-3137
- https://www.debian.org/security/2017/dsa-3854 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.