Description
db.c in named in ISC BIND 9.x before 9.9.8-P2 and 9.10.x before 9.10.3-P2 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via a malformed class attribute.
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 | 1:9.9.5.dfsg-12.1 | — |
| Debian 13 | bind9 | 1:9.9.5.dfsg-12.1 | — |
| Debian 12 | bind9 | 1:9.9.5.dfsg-12.1 | — |
| Debian 8 | bind9 | 1:9.9.5.dfsg-9+deb8u4 | DSA-3420-1 |
| Debian 7 | bind9 | 1:9.8.4.dfsg.P1-6+nmu2+deb7u8 | DSA-3420-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | bind9 | 1:9.7.3.dfsg-1~squeeze18 | DLA-370-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | bind9 | 1:9.9.5.dfsg-3ubuntu0.6 | USN-2837-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | bind +13 | 32:9.9.4-29.el7_2.1 | RHSA-2015:2655 |
| RHEL 6 | bind +5 | 32:9.8.2-0.37.rc1.el6_7.5 | RHSA-2015:2655 |
| RHEL 5 | bind +7 | 30:9.3.6-25.P1.el5_11.5 | RHSA-2015:2656 |
| RHEL 5 | bind97 +4 | 32:9.7.0-21.P2.el5_11.4 | RHSA-2015:2658 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6.6 EUS | bind +5 | 32:9.8.2-0.30.rc1.el6_6.4 | RHSA-2016:0079 |
| RHEL 6.5 AUS | bind +5 | 32:9.8.2-0.23.rc1.el6_5.2 | RHSA-2016:0078 |
| RHEL 6.4 AUS | bind +5 | 32:9.8.2-0.17.rc1.el6_4.7 | RHSA-2016:0078 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | bind | 9.9.6P1-32.1 | SUSE-SU-2015:2359-1 |
| SLES 12 | bind | 9.9.6P1-28.6.1 | SUSE-SU-2015:2341-1 |
| SLES 11 SP4 | bind | 9.9.6P1-0.19.1 | SUSE-SU-2015:2340-1 |
| SLES 11 SP3 | bind | 9.9.6P1-0.19.1 | SUSE-SU-2015:2340-1 |
| SLES 11 SP2 | bind | 9.9.6P1-0.19.1 | SUSE-SU-2015:2340-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | bind | 9.9.6P1-32.1 | SUSE-SU-2015:2359-1 |
| SLES for SAP 12 | bind | 9.9.6P1-28.6.1 | SUSE-SU-2015:2341-1 |
| SLES for SAP 11 SP4 | bind | 9.9.6P1-0.19.1 | SUSE-SU-2015:2340-1 |
| SLES for SAP 11 SP3 | bind | 9.9.6P1-0.19.1 | SUSE-SU-2015:2340-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | bind | 9.10.3P4-21.1 | openSUSE-SU-2024:10467-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | bind +13 | 32:9.9.4-29.el7_2.1 | ELSA-2015-2655 |
Advisories 14
- RHSA-2016:0078 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Oct 10, 2026
- RHSA-2016:0079 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Oct 10, 2026
- RHSA-2015:2655 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2015:2656 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2015:2658 Red Hat Security Advisory: bind97 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-2837-1 bind9 vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-370-1 bind9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3420-1 bind9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2015:2359-1 Security update for bind SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2340-1 Security update for bind SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10467-1 bind-9.10.3P4-21.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2341-1 Security update for bind SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-1183 Internet Systems Consortium BIND: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · May 29, 2025
- ELSA-2015-2655 Important: bind security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Dec 16, 2015
References
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- HPSBUX03552 vendor-advisory
- https://blogs.sophos.com/2016/02/17/utm-up2date-9-354-released/
- https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/
- FEDORA-2015-09bf9e06ea vendor-advisory
- FEDORA-2015-2df40de264 vendor-advisory
- https://kb.isc.org/article/AA-01438
- RHSA-2016:0079 vendor-advisory
- openSUSE-SU-2015:2365 vendor-advisory
- openSUSE-SU-2015:2364 vendor-advisory
- USN-2837-1 vendor-advisory
- RHSA-2015:2655 vendor-advisory
- SUSE-SU-2015:2340 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- FEDORA-2015-40882ddfb1 vendor-advisory
- https://kb.isc.org/article/AA-01380
- SSA:2015-349-01 vendor-advisory
- 79349 vdb-entry
- openSUSE-SU-2015:2391 vendor-advisory
- 1034418 vdb-entry
- SUSE-SU-2015:2359 vendor-advisory
- http://packetstormsecurity.com/files/134882/FreeBSD-Security-Advisory-BIND-Denial-Of-Service.html
- FEDORA-2015-e278e12ebc vendor-advisory
- https://kb.isc.org/article/AA-01317
- https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04923105
- SUSE-SU-2015:2341 vendor-advisory
- RHSA-2016:0078 vendor-advisory
- SUSE-SU-2016:0227 vendor-advisory
- RHSA-2015:2656 vendor-advisory
- RHSA-2015:2658 vendor-advisory
- DSA-3420 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html