RHSA-2022:6781: Important: bind9.16 security update

Published Oct 4, 2022
·
Updated

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.Security Fix(es): bind: BIND 9 resolvers configured to answer from cache with zero stale-answer-timeout may terminate unexpectedly (CVE-2022-3080) bind: memory leak in ECDSA DNSSEC verification code (CVE-2022-38177) bind: memory leaks in EdDSA DNSSEC verification code (CVE-2022-38178) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

47 affected componentsFixes available
redhat/bind9.16<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-chroot<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-debugsource<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-dnssec-utils-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-libs<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-libs-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-license<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-utils<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-utils-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-chroot<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-debugsource<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-dnssec-utils-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-libs<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-libs-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-utils<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-utils-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-chroot<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-debugsource<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-dnssec-utils-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-libs<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-libs-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-utils<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-utils-debuginfo<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16<9.16.23-0.7.el8_6.1.aa
9.16.23-0.7.el8_6.1.aa
redhat/bind9.16-chroot<9.16.23-0.7.el8_6.1.aa
9.16.23-0.7.el8_6.1.aa
redhat/bind9.16-debuginfo<9.16.23-0.7.el8_6.1.aa
9.16.23-0.7.el8_6.1.aa
redhat/bind9.16-debugsource<9.16.23-0.7.el8_6.1.aa
9.16.23-0.7.el8_6.1.aa
redhat/bind9.16-dnssec-utils-debuginfo<9.16.23-0.7.el8_6.1.aa
9.16.23-0.7.el8_6.1.aa
redhat/bind9.16-libs<9.16.23-0.7.el8_6.1.aa
9.16.23-0.7.el8_6.1.aa
redhat/bind9.16-libs-debuginfo<9.16.23-0.7.el8_6.1.aa
9.16.23-0.7.el8_6.1.aa
redhat/bind9.16-utils<9.16.23-0.7.el8_6.1.aa
9.16.23-0.7.el8_6.1.aa
redhat/bind9.16-utils-debuginfo<9.16.23-0.7.el8_6.1.aa
9.16.23-0.7.el8_6.1.aa
redhat/bind9.16-devel<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-devel<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-dnssec-utils<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-doc<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/python3-bind9.16<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-devel<9.16.23-0.7.el8_6.1.aa
9.16.23-0.7.el8_6.1.aa
redhat/bind9.16-dnssec-utils<9.16.23-0.7.el8_6.1.aa
9.16.23-0.7.el8_6.1.aa
redhat/bind9.16-dnssec-utils<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-devel<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1
redhat/bind9.16-dnssec-utils<9.16.23-0.7.el8_6.1
9.16.23-0.7.el8_6.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/bind9.16 to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  2. Upgrade

    Upgrade redhat/bind9.16-chroot to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  3. Upgrade

    Upgrade redhat/bind9.16-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  4. Upgrade

    Upgrade redhat/bind9.16-debugsource to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  5. Upgrade

    Upgrade redhat/bind9.16-dnssec-utils-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  6. Upgrade

    Upgrade redhat/bind9.16-libs to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  7. Upgrade

    Upgrade redhat/bind9.16-libs-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  8. Upgrade

    Upgrade redhat/bind9.16-license to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  9. Upgrade

    Upgrade redhat/bind9.16-utils to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  10. Upgrade

    Upgrade redhat/bind9.16-utils-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  11. Upgrade

    Upgrade redhat/bind9.16 to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1.aa
  12. Upgrade

    Upgrade redhat/bind9.16-chroot to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1.aa
  13. Upgrade

    Upgrade redhat/bind9.16-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1.aa
  14. Upgrade

    Upgrade redhat/bind9.16-debugsource to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1.aa
  15. Upgrade

    Upgrade redhat/bind9.16-dnssec-utils-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1.aa
  16. Upgrade

    Upgrade redhat/bind9.16-libs to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1.aa
  17. Upgrade

    Upgrade redhat/bind9.16-libs-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1.aa
  18. Upgrade

    Upgrade redhat/bind9.16-utils to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1.aa
  19. Upgrade

    Upgrade redhat/bind9.16-utils-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1.aa
  20. Upgrade

    Upgrade redhat/bind9.16-devel to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  21. Upgrade

    Upgrade redhat/bind9.16-dnssec-utils to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  22. Upgrade

    Upgrade redhat/bind9.16-doc to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  23. Upgrade

    Upgrade redhat/python3-bind9.16 to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1
  24. Upgrade

    Upgrade redhat/bind9.16-devel to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1.aa
  25. Upgrade

    Upgrade redhat/bind9.16-dnssec-utils to a version that resolves this vulnerability.

    Fixed in 9.16.23-0.7.el8_6.1.aa

Event History

Jun 14, 2026
Advisory Published
via Red Hat·08:37 PM
Data Sourced
via Red Hat·08:37 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2022:6781?

The severity of RHSA-2022:6781 is categorized as critical due to vulnerabilities within the BIND implementation.

2

How do I fix RHSA-2022:6781?

To fix RHSA-2022:6781, you need to update to version 9.16.23-0.7.el8_6.1 or later of the affected BIND packages.

3

Which software is affected by RHSA-2022:6781?

RHSA-2022:6781 affects various BIND9.16 packages including bind9.16, bind9.16-debuginfo, bind9.16-libs, and others.

4

Is documentation available for RHSA-2022:6781?

Yes, there is documentation related to RHSA-2022:6781 which provides details on the vulnerabilities and the remediation steps.

5

Where can I find more information on RHSA-2022:6781?

More information on RHSA-2022:6781 can be found in the advisories and bug reports related to the Red Hat security updates.

Company

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