RHSA-2026:95048: Important: bind security, bug fix, and enhancement update

Published Nov 4, 2026
·
Updated

Important: bind security, bug fix, and enhancement update

Other sources

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): bind9: bind: BIND 9: Denial of Service via 16-bit length truncation in DNS negative cache handling (CVE-2026-19667) bind: BIND: Denial of Service via crafted DNSSEC reply (CVE-2026-80274) bind: BIND: Denial of Service via malformed DNS64 responses (CVE-2026-19666) bind: BIND: Denial of Service via unbounded processing of crafted DNS messages (CVE-2026-19630) bind: bind: Arbitrary code execution via GSS-TSIG UDP message replay (CVE-2026-94300) bind: bind: Denial of Service via assertion failure during redirect processing (CVE-2026-96888) bind: bind: Denial of service via assertion failure in RPZ query processing (CVE-2026-97313) Bug Fix(es) and Enhancement(s): bind: Avoid costly reload of IdM named due to logrotate operation [rhel-9.6.z] (JIRA:RHEL-245354) bind: New root trust anchor key for DNSSEC [rhel-9.6.z] (JIRA:RHEL-255762) bind 9.16 crash with SIGSEGV [rhel-9.6.z] (JIRA:RHEL-280608) 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.

— Red Hat

Affected Software

65 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
redhat/bind<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-chroot<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-debugsource<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-dnssec-doc<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-dnssec-utils<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-dnssec-utils-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-libs<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-libs-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-license<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-utils<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-utils-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/python3-bind<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-chroot<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-debugsource<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-dnssec-utils<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-dnssec-utils-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-libs<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-libs-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-utils<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-utils-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-chroot<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-debugsource<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-dnssec-utils<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-dnssec-utils-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-libs<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-libs-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-utils<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-utils-debuginfo<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind<9.16.23-31.el9_6.5.aa
9.16.23-31.el9_6.5.aa
redhat/bind-chroot<9.16.23-31.el9_6.5.aa
9.16.23-31.el9_6.5.aa
redhat/bind-debuginfo<9.16.23-31.el9_6.5.aa
9.16.23-31.el9_6.5.aa
redhat/bind-debugsource<9.16.23-31.el9_6.5.aa
9.16.23-31.el9_6.5.aa
redhat/bind-dnssec-utils<9.16.23-31.el9_6.5.aa
9.16.23-31.el9_6.5.aa
redhat/bind-dnssec-utils-debuginfo<9.16.23-31.el9_6.5.aa
9.16.23-31.el9_6.5.aa
redhat/bind-libs<9.16.23-31.el9_6.5.aa
9.16.23-31.el9_6.5.aa
redhat/bind-libs-debuginfo<9.16.23-31.el9_6.5.aa
9.16.23-31.el9_6.5.aa
redhat/bind-utils<9.16.23-31.el9_6.5.aa
9.16.23-31.el9_6.5.aa
redhat/bind-utils-debuginfo<9.16.23-31.el9_6.5.aa
9.16.23-31.el9_6.5.aa
redhat/bind-devel<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-devel<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-doc<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-devel<9.16.23-31.el9_6.5
9.16.23-31.el9_6.5
redhat/bind-devel<9.16.23-31.el9_6.5.aa
9.16.23-31.el9_6.5.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/bind to a version that resolves this vulnerability.

    Fixed in 9.16.23-31.el9_6.5
  2. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  3. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  4. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  5. Upgrade

    Upgrade redhat/bind-dnssec-doc to a version that resolves this vulnerability.

    Fixed in 9.16.23-31.el9_6.5
  6. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  7. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  8. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  9. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  10. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  11. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  12. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  13. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  14. Upgrade

    Upgrade redhat/bind to a version that resolves this vulnerability.

    Fixed in 9.16.23-31.el9_6.5.aa
  15. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5.aa
  16. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5.aa
  17. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5.aa
  18. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5.aa
  19. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5.aa
  20. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5.aa
  21. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5.aa
  22. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5.aa
  23. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5.aa
  24. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  25. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5
  26. Upgrade

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

    Fixed in 9.16.23-31.el9_6.5.aa

Event History

Nov 4, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·07:44 AM
Data Sourced
via Red Hat·07:44 AM
Severity

Frequently Asked Questions

1

Which environments are in scope for this update?

The advisory applies to listed Red Hat Enterprise Linux offerings for Power little endian, ARM 64, x86_64, IBM z Systems, and Red Hat Enterprise Linux Server AUS, including specified Extended Update Support, Extended Life Cycle, SAP Solutions, and CodeReady Linux Builder variants.

2

Does the available information identify the affected bind version or specific vulnerabilities fixed?

No. The provided data identifies this as an important bind security, bug fix, and enhancement update, but does not include affected or fixed version numbers, CVE identifiers, exploit prerequisites, or mitigation guidance.

3

When was this advisory published?

It was published and last modified on 2026-11-04.

Company

Resources

Contact

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