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CVE-2020-8621

Published: 20 August 2020

In BIND 9.14.0 -> 9.16.5, 9.17.0 -> 9.17.3, If a server is configured with both QNAME minimization and 'forward first' then an attacker who can send queries to it may be able to trigger the condition that will cause the server to crash. Servers that 'forward only' are not affected.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
bind9
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 20.04 LTS (Focal Fossa)
Released (1:9.16.1-0ubuntu2.3)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(code not present)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code not present)
Ubuntu 14.04 ESM (Trusty Tahr) Not vulnerable
(code not present)