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Gentoo Linux Security Advisory                           GLSA 202210-25
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                                           https://security.gentoo.org/
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 Severity: Low
    Title: ISC BIND: Multiple Vulnerabilities
     Date: October 31, 2022
     Bugs: #820563, #835439, #872206
       ID: 202210-25

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Synopsis
========

Multiple vulnerabilities have been discovered in ISC BIND, the worst of
which could result in denial of service.

Background
==========

ISC BIND is the Internet Systems Consortium implementation of the Domain
Name System (DNS) protocol.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-dns/bind               < 9.16.33                  >= 9.16.33
  2  net-dns/bind-tools         < 9.16.33                  >= 9.16.33

Description
===========

Multiple vulnerabilities have been discovered in ISC BIND. Please review
the CVE identifiers referenced below for details.

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All ISC BIND users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-dns/bind-9.16.33"

All ISC BIND-tools users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-dns/bind-tools-9.16.33"

References
==========

[ 1 ] CVE-2021-25219
      https://nvd.nist.gov/vuln/detail/CVE-2021-25219
[ 2 ] CVE-2021-25220
      https://nvd.nist.gov/vuln/detail/CVE-2021-25220
[ 3 ] CVE-2022-0396
      https://nvd.nist.gov/vuln/detail/CVE-2022-0396
[ 4 ] CVE-2022-2795
      https://nvd.nist.gov/vuln/detail/CVE-2022-2795
[ 5 ] CVE-2022-2881
      https://nvd.nist.gov/vuln/detail/CVE-2022-2881
[ 6 ] CVE-2022-2906
      https://nvd.nist.gov/vuln/detail/CVE-2022-2906
[ 7 ] CVE-2022-3080
      https://nvd.nist.gov/vuln/detail/CVE-2022-3080
[ 8 ] CVE-2022-38177
      https://nvd.nist.gov/vuln/detail/CVE-2022-38177
[ 9 ] CVE-2022-38178
      https://nvd.nist.gov/vuln/detail/CVE-2022-38178

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202210-25

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2022 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5