CVE-2021-25214

dnsutils: In BIND 9.8.5 -> 9.8.8, 9.9.3 -> 9.11.29, 9.12.0 -> 9.16.13, and versionsBIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 ->...

CVE-2021-25214 is fixed in 36 products on 1 platform, first by bind9 1:9.11.3+dfsg-1ubuntu1.15, released April 27, 2021. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.5
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0640
93rd percentile

In BIND 9.8.5 -> 9.8.8, 9.9.3 -> 9.11.29, 9.12.0 -> 9.16.13, and versionsBIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND 9 SupportedPreview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND9.17 development branch, when a vulnerable version of named receives amalformed IXFR triggering the flaw described above, the named process willterminate due to a failed assertion the next time the transferred secondaryzone is refreshed.

Where it's fixed

ProductFixed inFixReleased
Linux
bind · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-chroot · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-chroot · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-devel · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-devel · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-export-devel · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-export-devel · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-export-libs · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-export-libs · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-libs · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-libs · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-libs-lite · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-libs-lite · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-license · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-license · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-lite-devel · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-lite-devel · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-pkcs11 · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-pkcs11 · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-pkcs11-devel · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-pkcs11-devel · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-pkcs11-libs · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-pkcs11-libs · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-pkcs11-utils · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-pkcs11-utils · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-sdb · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-sdb · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-sdb-chroot · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-sdb-chroot · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind-utils · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
bind-utils · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021
bind9 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 bind9 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
bind9 · Ubuntu 20.04 LTS (focal) 1:9.16.1-0ubuntu2.8 bind9 1:9.16.1-0ubuntu2.8 Apr 27, 2021
bind9 · Ubuntu 24.10 (oracular) 1:9.16.8-1ubuntu3.1 bind9 1:9.16.8-1ubuntu3.1 Apr 28, 2021
bind9 · Ubuntu 25.04 (plucky) 1:9.16.8-1ubuntu3.1 bind9 1:9.16.8-1ubuntu3.1 Apr 28, 2021
bind9-dnsutils · Ubuntu 20.04 LTS (focal) 1:9.16.1-0ubuntu2.8 bind9-dnsutils 1:9.16.1-0ubuntu2.8 Apr 27, 2021
bind9-dnsutils · Ubuntu 24.10 (oracular) 1:9.16.8-1ubuntu3.1 bind9-dnsutils 1:9.16.8-1ubuntu3.1 Apr 28, 2021
bind9-dnsutils · Ubuntu 25.04 (plucky) 1:9.16.8-1ubuntu3.1 bind9-dnsutils 1:9.16.8-1ubuntu3.1 Apr 28, 2021
bind9-host · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 bind9-host 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
bind9-host · Ubuntu 20.04 LTS (focal) 1:9.16.1-0ubuntu2.8 bind9-host 1:9.16.1-0ubuntu2.8 Apr 27, 2021
bind9-host · Ubuntu 24.10 (oracular) 1:9.16.8-1ubuntu3.1 bind9-host 1:9.16.8-1ubuntu3.1 Apr 28, 2021
bind9-host · Ubuntu 25.04 (plucky) 1:9.16.8-1ubuntu3.1 bind9-host 1:9.16.8-1ubuntu3.1 Apr 28, 2021
bind9-libs · Ubuntu 20.04 LTS (focal) 1:9.16.1-0ubuntu2.8 bind9-libs 1:9.16.1-0ubuntu2.8 Apr 27, 2021
bind9-libs · Ubuntu 24.10 (oracular) 1:9.16.8-1ubuntu3.1 bind9-libs 1:9.16.8-1ubuntu3.1 Apr 28, 2021
bind9-libs · Ubuntu 25.04 (plucky) 1:9.16.8-1ubuntu3.1 bind9-libs 1:9.16.8-1ubuntu3.1 Apr 28, 2021
bind9-utils · Ubuntu 20.04 LTS (focal) 1:9.16.1-0ubuntu2.8 bind9-utils 1:9.16.1-0ubuntu2.8 Apr 27, 2021
bind9-utils · Ubuntu 24.10 (oracular) 1:9.16.8-1ubuntu3.1 bind9-utils 1:9.16.8-1ubuntu3.1 Apr 28, 2021
bind9-utils · Ubuntu 25.04 (plucky) 1:9.16.8-1ubuntu3.1 bind9-utils 1:9.16.8-1ubuntu3.1 Apr 28, 2021
bind9utils · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 bind9utils 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
bind9utils · Ubuntu 20.04 LTS (focal) 1:9.16.1-0ubuntu2.8 bind9utils 1:9.16.1-0ubuntu2.8 Apr 27, 2021
bind9utils · Ubuntu 24.10 (oracular) 1:9.16.8-1ubuntu3.1 bind9utils 1:9.16.8-1ubuntu3.1 Apr 28, 2021
bind9utils · Ubuntu 25.04 (plucky) 1:9.16.8-1ubuntu3.1 bind9utils 1:9.16.8-1ubuntu3.1 Apr 28, 2021
dnsutils · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 dnsutils 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
dnsutils · Ubuntu 20.04 LTS (focal) 1:9.16.1-0ubuntu2.8 dnsutils 1:9.16.1-0ubuntu2.8 Apr 27, 2021
dnsutils · Ubuntu 24.10 (oracular) 1:9.16.8-1ubuntu3.1 dnsutils 1:9.16.8-1ubuntu3.1 Apr 28, 2021
dnsutils · Ubuntu 25.04 (plucky) 1:9.16.8-1ubuntu3.1 dnsutils 1:9.16.8-1ubuntu3.1 Apr 28, 2021
libbind9-160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 libbind9-160 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
libdns-export1100 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 libdns-export1100 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
libdns1100 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 libdns1100 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
libirs-export160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 libirs-export160 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
libirs160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 libirs160 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
libisc-export169 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 libisc-export169 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
libisc169 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 libisc169 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
libisccc-export160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 libisccc-export160 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
libisccc160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 libisccc160 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
libisccfg-export160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 libisccfg-export160 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
libisccfg160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 libisccfg160 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
liblwres160 · Ubuntu 18.04.6 LTS (bionic) 1:9.11.3+dfsg-1ubuntu1.15 liblwres160 1:9.11.3+dfsg-1ubuntu1.15 Apr 27, 2021
python3-bind · RHEL 8 32:9.11.26-6.el8 RHSA-2021:4384 Nov 9, 2021
python3-bind · ol 8 32:9.11.26-6.el8 ELSA-2021-4384 Nov 16, 2021

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