-------------------------------------------------------------------------Debian LTS Advisory DLA-2955-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Markus Koschany
March 18, 2022                                https://wiki.debian.org/LTS
-------------------------------------------------------------------------Package        : bind9
Version        : 1:9.10.3.dfsg.P4-12.3+deb9u11
CVE ID         : CVE-2021-25220

It was found that bind9, an internet domain name server, was vulnerable to
cache poisoning. When using forwarders, bogus NS records supplied by, or via,
those forwarders may be cached and used by named if it needs to recurse for any
reason, causing it to obtain and pass on potentially incorrect answers.

For Debian 9 stretch, this problem has been fixed in version
1:9.10.3.dfsg.P4-12.3+deb9u11.

We recommend that you upgrade your bind9 packages.

For the detailed security status of bind9 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/bind9

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

Debian LTS: DLA-2955-1: bind9 security update

March 18, 2022
It was found that bind9, an internet domain name server, was vulnerable to cache poisoning

Summary


Severity
-------------------------------------------------------------------------Package : bind9
Version : 1:9.10.3.dfsg.P4-12.3+deb9u11
CVE ID : CVE-2021-25220

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