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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ISC | BIND 9 | 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 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | bind9 | 1:9.10.3.dfsg.P4-12.3 | — |
| Debian 13 | bind9 | 1:9.10.3.dfsg.P4-12.3 | — |
| Debian 12 | bind9 | 1:9.10.3.dfsg.P4-12.3 | — |
| Debian 8 | bind9 | 1:9.9.5.dfsg-9+deb8u11 | DSA-3854-1 |
| Debian 7 | bind9 | 1:9.8.4.dfsg.P1-6+nmu2+deb7u16 | DLA-957-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | bind9 | 1:9.10.3.dfsg.P4-8ubuntu1.6 | USN-3259-1 |
| Ubuntu 14.04 LTS | bind9 | 1:9.9.5.dfsg-3ubuntu0.14 | USN-3259-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | bind +13 | 32:9.9.4-38.el7_3.3 | RHSA-2017:1095 |
| RHEL 6 | bind +5 | 32:9.8.2-0.62.rc1.el6_9.1 | RHSA-2017:1105 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Mission Critical 6 | bind +5 | 32:9.7.3-8.P3.el6_2.9 | RHSA-2017:1582 |
| RHEL 7.2 EUS | bind +13 | 32:9.9.4-29.el7_2.6 | RHSA-2017:1583 |
| RHEL 6.7 EUS | bind +5 | 32:9.8.2-0.37.rc1.el6_7.11 | RHSA-2017:1582 |
| RHEL 6.6 TUS | bind +5 | 32:9.8.2-0.30.rc1.el6_6.9 | RHSA-2017:1582 |
| RHEL 6.6 AUS | bind +5 | 32:9.8.2-0.30.rc1.el6_6.9 | RHSA-2017:1582 |
| RHEL 6.5 TUS | bind +5 | 32:9.8.2-0.23.rc1.el6_5.7 | RHSA-2017:1582 |
| RHEL 6.5 AUS | bind +5 | 32:9.8.2-0.23.rc1.el6_5.7 | RHSA-2017:1582 |
| RHEL 6.4 AUS | bind +5 | 32:9.8.2-0.17.rc1.el6_4.12 | RHSA-2017:1582 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | bind | 9.9.9P1-59.1 | SUSE-SU-2017:0998-1 |
| SLES 12 SP1 | bind | 9.9.9P1-59.1 | SUSE-SU-2017:0998-1 |
| SLES 12 | bind | 9.9.9P1-28.34.1 | SUSE-SU-2017:0999-1 |
| SLES 11 SP4 | bind | 9.9.6P1-0.44.1 | SUSE-SU-2017:1027-1, SUSE-SU-2017:1000-1 |
| SLES 11 SP3 | bind | 9.9.6P1-0.44.1 | SUSE-SU-2017:1027-1, SUSE-SU-2017:1000-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | bind | 9.9.9P1-59.1 | SUSE-SU-2017:0998-1 |
| SLES for SAP 12 SP1 | bind | 9.9.9P1-59.1 | SUSE-SU-2017:0998-1 |
| SLES for SAP 12 | bind | 9.9.9P1-28.34.1 | SUSE-SU-2017:0999-1 |
| SLES for SAP 11 SP4 | bind | 9.9.6P1-0.44.1 | SUSE-SU-2017:1027-1, SUSE-SU-2017:1000-1 |
| SUSE OpenStack Cloud 5 | bind | 9.9.6P1-0.44.1 | SUSE-SU-2017:1027-1, SUSE-SU-2017:1000-1 |
| SUSE Manager Proxy 2.1 | bind | 9.9.6P1-0.44.1 | SUSE-SU-2017:1027-1, SUSE-SU-2017:1000-1 |
| SUSE Manager 2.1 | bind | 9.9.6P1-0.44.1 | SUSE-SU-2017:1027-1, SUSE-SU-2017:1000-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | bind | 9.9.6P1-0.44.1 | SUSE-SU-2017:1027-1, SUSE-SU-2017:1000-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.23 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.22 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.21 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.20 | bind | 9.11.0_p5-r0 | — |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.18 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.17 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.16 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.15 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.14 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.13 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.12 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.11 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.10 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.9 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.8 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.7 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.6 | bind | 9.11.0_p5-r0 | — |
| Alpine v3.5 | bind | 9.10.4_p8-r0 | — |
| Alpine v3.3 | bind | 9.10.4_p8-r0 | — |
| Alpine v3.2 | bind | 9.10.4_p8 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | bind +13 | 32:9.9.4-38.el7_3.3 | ELSA-2017-1095 |
Advisories 13
- RHSA-2017:1583 Red Hat Security Advisory: bind security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:1582 Red Hat Security Advisory: bind security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:1095 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:1105 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- USN-3259-1 bind9 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-957-1 bind9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3854-1 bind9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:1027-1 Security update for bind SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1000-1 Security update for bind SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0999-1 Security update for bind SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0998-1 Security update for bind SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-1190 Internet Systems Consortium BIND: Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · May 29, 2025
- ELSA-2017-1095 Important: bind security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 19, 2017
References
- RHSA-2017:1095 vendor-advisory
- GLSA-201708-01 vendor-advisory
- 1038258 vdb-entry
- https://security.netapp.com/advisory/ntap-20180802-0002/
- 1040195 vdb-entry
- RHSA-2017:1582 vendor-advisory
- DSA-3854 vendor-advisory
- RHSA-2017:1583 vendor-advisory
- 97651 vdb-entry
- RHSA-2017:1105 vendor-advisory
- https://kb.isc.org/docs/aa-01466