CVE-2021-25220: BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9…

medium6.8CVSS 3.1

AVNACLPRHUINSCCNIHAN

BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.

Affected

39 ranges· showing 25

Vendor	Product	Version range	Fixed in
debian	bind9	< bind9 1:9.18.1-1 (bookworm)	bind9 1:9.18.1-1 (bookworm)
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
isc	bind	—	—
isc	bind	—	—
isc	bind	—	—
isc	bind	—	—
isc	bind	—	—
isc	bind	—	—
isc	bind	>= 9.11.0 < 9.11.37	9.11.37
isc	bind	>= 9.11.4 < 9.11.37	9.11.37
isc	bind	>= 9.12.0 < 9.16.27	9.16.27
isc	bind	>= 9.16.8 < 9.16.27	9.16.27
isc	bind	9.17.0 – 9.18.0	—
isc	bind9	>= 0 < 1:9.16.27-1~deb11u1	1:9.16.27-1~deb11u1
isc	bind9	>= 0 < 1:9.18.1-1	1:9.18.1-1
isc	bind9	>= 0 < 1:9.18.1-1	1:9.18.1-1
isc	bind9	>= 0 < 1:9.18.1-1	1:9.18.1-1
isc	bind9	>= 0 < 1:9.11.3+dfsg-1ubuntu1.17	1:9.11.3+dfsg-1ubuntu1.17
isc	bind9	>= 0 < 1:9.16.1-0ubuntu2.10	1:9.16.1-0ubuntu2.10
isc	bind9	>= 0 < 1:9.9.5.dfsg-3ubuntu0.19+esm6	1:9.9.5.dfsg-3ubuntu0.19+esm6
isc	bind9	>= 0 < 1:9.10.3.dfsg.P4-8ubuntu1.19+esm2	1:9.10.3.dfsg.P4-8ubuntu1.19+esm2
juniper	junos	< 19.3	19.3
juniper	junos	—	—

CVSS provenance

nvdv3.16.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N

osv6.8MEDIUM