CVE-2017-3145 — Improper fetch cleanup sequencing in the resolver can cause named to crash

Description

BIND was improperly sequencing cleanup operations on upstream recursion fetch contexts, leading in some cases to a use-after-free error that can trigger an assertion failure and crash in named. Affects BIND 9.0.0 to 9.8.x, 9.9.0 to 9.9.11, 9.10.0 to 9.10.6, 9.11.0 to 9.11.2, 9.9.3-S1 to 9.9.11-S1, 9.10.5-S1 to 9.10.6-S1, 9.12.0a1 to 9.12.0rc1.

Affected products

Vendor	Product	Affected	Fixed
ISC	BIND 9	9.0.0 to 9.8.x, 9.9.0 to 9.9.11, 9.10.0 to 9.10.6, 9.11.0 to 9.11.2, 9.9.3-S1 to 9.9.11-S1, 9.10.5-S1 to 9.10.6-S1, 9.12.0a1 to 9.12.0rc1	—

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	1:9.11.2.P1-1	—
Debian 13	bind9	1:9.11.2.P1-1	—
Debian 12	bind9	1:9.11.2.P1-1	—
Debian 9	bind9	1:9.10.3.dfsg.P4-12.3+deb9u4	DSA-4089-1
Debian 8	bind9	1:9.9.5.dfsg-9+deb8u15	DSA-4089-1

Show 1 more (older releases, extended support, other products)

Release	Package	Fixed in	Advisory
Debian 7	bind9	1:9.8.4.dfsg.P1-6+nmu2+deb7u19	DLA-1255-1

Ubuntu

Security tracker ↗

Release	Package	Fixed in	Advisory
Ubuntu 16.04 LTS	bind9	1:9.10.3.dfsg.P4-8ubuntu1.10	USN-3535-1
Ubuntu 14.04 LTS	bind9	1:9.9.5.dfsg-3ubuntu0.17	USN-3535-1

Red Hat

Security tracker ↗

Release	Package	Fixed in	Advisory
RHEL 7	bind +13	32:9.9.4-51.el7_4.2	RHSA-2018:0102
RHEL 6	bind +5	32:9.8.2-0.62.rc1.el6_9.5	RHSA-2018:0101

Show 9 more (older releases, extended support, other products)

Release	Package	Fixed in	Advisory
RHEL 7.3 EUS	bind +13	32:9.9.4-50.el7_3.3	RHSA-2018:0488
RHEL 7.2 TUS	bind +13	32:9.9.4-29.el7_2.8	RHSA-2018:0488
RHEL 7.2 E4S	bind +13	32:9.9.4-29.el7_2.8	RHSA-2018:0488
RHEL 7.2 AUS	bind +13	32:9.9.4-29.el7_2.8	RHSA-2018:0488
RHEL 6.7 EUS	bind +5	32:9.8.2-0.37.rc1.el6_7.12	RHSA-2018:0487
RHEL 6.6 TUS	bind +5	32:9.8.2-0.30.rc1.el6_6.10	RHSA-2018:0487
RHEL 6.6 AUS	bind +5	32:9.8.2-0.30.rc1.el6_6.10	RHSA-2018:0487
RHEL 6.5 AUS	bind +5	32:9.8.2-0.23.rc1.el6_5.8	RHSA-2018:0487
RHEL 6.4 AUS	bind +5	32:9.8.2-0.17.rc1.el6_4.13	RHSA-2018:0487

SUSE

Security tracker ↗

Release	Package	Fixed in	Advisory
SLES 12 SP3	bind	9.9.9P1-63.7.1	SUSE-SU-2018:0303-1
SLES 12 SP2	bind	9.9.9P1-63.7.1	SUSE-SU-2018:0303-1
SLES 12 SP1	bind	9.9.9P1-63.7.1	SUSE-SU-2018:0303-1
SLES 11 SP4	bind	9.9.6P1-0.51.7.1	SUSE-SU-2018:0362-1
SLES 11 SP3	bind	9.9.6P1-0.51.7.1	SUSE-SU-2018:0362-1

Show 6 more (older releases, extended support, other products)

Release	Package	Fixed in	Advisory
SLES for SAP 12 SP3	bind	9.9.9P1-63.7.1	SUSE-SU-2018:0303-1
SLES for SAP 12 SP2	bind	9.9.9P1-63.7.1	SUSE-SU-2018:0303-1
SLES for SAP 12 SP1	bind	9.9.9P1-63.7.1	SUSE-SU-2018:0303-1
SLES for SAP 11 SP4	bind	9.9.6P1-0.51.7.1	SUSE-SU-2018:0362-1
SUSE OpenStack Cloud 6	bind	9.9.9P1-63.7.1	SUSE-SU-2018:0303-1
SUSE Linux Enterprise Point of Sale 11 SP3	bind	9.9.6P1-0.51.7.1	SUSE-SU-2018:0362-1

openSUSE

Security tracker ↗

Release	Package	Fixed in	Advisory
openSUSE Tumbleweed	bind	9.16.20-1.4	openSUSE-SU-2024:10650-1

Alpine

Security tracker ↗

Release	Package	Fixed in	Advisory
Alpine v3.24	bind	9.11.2_p1-r0	—
Alpine v3.23	bind	9.11.2_p1-r0	—
Alpine v3.22	bind	9.11.2_p1-r0	—
Alpine v3.21	bind	9.11.2_p1-r0	—
Alpine v3.20	bind	9.11.2_p1-r0	—

Show 16 more (older releases, extended support, other products)

Release	Package	Fixed in	Advisory
Alpine v3.19	bind	9.11.2_p1-r0	—
Alpine v3.18	bind	9.11.2_p1-r0	—
Alpine v3.17	bind	9.11.2_p1-r0	—
Alpine v3.16	bind	9.11.2_p1-r0	—
Alpine v3.15	bind	9.11.2_p1-r0	—
Alpine v3.14	bind	9.11.2_p1-r0	—
Alpine v3.13	bind	9.11.2_p1-r0	—
Alpine v3.12	bind	9.11.2_p1-r0	—
Alpine v3.11	bind	9.11.2_p1-r0	—
Alpine v3.10	bind	9.11.2_p1-r0	—
Alpine v3.9	bind	9.11.2_p1-r0	—
Alpine v3.8	bind	9.11.2_p1-r0	—
Alpine v3.7	bind	9.11.2_p1-r0	—
Alpine v3.6	bind	9.11.2_p1-r0	—
Alpine v3.5	bind	9.10.6_p1-r0	—
Alpine v3.4	bind	9.10.6_p1-r0	—

Amazon Linux

Release	Package	Fixed in	Advisory
Amazon Linux 2	bind +13	32:9.9.4-51.amzn2.2	ALAS2-2018-954

Oracle Linux

Release	Package	Fixed in	Advisory
Oracle Linux 7	bind +13	32:9.9.4-51.el7_4.2	ELSA-2018-0102

Advisories 13

RHSA-2018:0488 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
RHSA-2018:0487 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
RHSA-2018:0101 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
RHSA-2018:0102 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
USN-3535-1 bind9 vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
DSA-4089-1 bind9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
DLA-1255-1 bind9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
SUSE-SU-2018:0362-1 Security update for bind SUSE / openSUSE Security Updates · Feb 4, 2026
SUSE-SU-2018:0303-1 Security update for bind SUSE / openSUSE Security Updates · Feb 4, 2026
openSUSE-SU-2024:10650-1 bind-9.16.20-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
WID-SEC-2025-1192 Internet Systems Consortium BIND9: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · May 29, 2025
ALAS2-2018-954 Important: bind security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Feb 21, 2018
ELSA-2018-0102 Important: bind security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 22, 2018

References

RHSA-2018:0102 vendor-advisory
RHSA-2018:0487 vendor-advisory
DSA-4089 vendor-advisory
RHSA-2018:0488 vendor-advisory
RHSA-2018:0101 vendor-advisory
1040195 vdb-entry
https://kb.isc.org/docs/aa-01542
102716 vdb-entry
[debian-lts-announce] 20180121 [SECURITY] [DLA 1255-1] bind9 security update mailing-list
https://security.netapp.com/advisory/ntap-20180117-0003/
https://supportportal.juniper.net/s/article/2018-07-Security-Bulletin-SRX-Series-Vulnerabilities-in-ISC-BIND-named vendor-advisory

CNA	v3.0	7.5
EUVD	v3.0	7.5