RHSA-2026:95435: Important: bind security, bug fix, and enhancement update

Published Nov 5, 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): bind: BIND 9 server memory exhaustion during GSS-API TKEY negotiation (CVE-2026-3039) bind: BIND: Denial of Service via specially crafted DNS messages (CVE-2026-5946) bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field (CVE-2026-13321) bind: bind9: Potential memory usage beyond configured limits (CVE-2026-11622) bind: bind9: Cache poisoning via label count discrepancy, RRSIG, wildcards (CVE-2026-11721) bind: bind9: Unexpected exit with NSEC and NSEC3 both present (CVE-2026-13204) bind: bind9: Incorrect acceptance of NSEC3 records (CVE-2026-10723) 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) Bug Fix(es) and Enhancement(s): bind: New root trust anchor key for DNSSEC (JIRA:RHEL-265350) random named crashes on different RHEL 8.10 resolvers after of installing bind-9.11.36-16.el810.14 (RHSA-2026:54654) (JIRA:RHEL-300944) 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

48 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life
Red Hat Red Hat Enterprise Linux Server - AUS
redhat/bind<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-chroot<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-debugsource<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-debugsource<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-devel<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-devel<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-export-devel<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-export-devel<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-export-libs<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-export-libs<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-export-libs-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-export-libs-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-libs<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-libs<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-libs-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-libs-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-libs-lite<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-libs-lite<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-libs-lite-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-libs-lite-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-license<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-lite-devel<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-lite-devel<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11-devel<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11-devel<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11-libs<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11-libs<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11-libs-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11-libs-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11-utils<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11-utils-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-pkcs11-utils-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-sdb<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-sdb-chroot<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-sdb-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-sdb-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-utils<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-utils-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/bind-utils-debuginfo<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13
redhat/python3-bind<9.11.36-3.el8_6.13
9.11.36-3.el8_6.13

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  2. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  3. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  4. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  5. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  6. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  7. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  8. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  9. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  10. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  11. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  12. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  13. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  14. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  15. Upgrade

    Upgrade redhat/bind-pkcs11 to a version that resolves this vulnerability.

    Fixed in 9.11.36-3.el8_6.13
  16. Upgrade

    Upgrade redhat/bind-pkcs11-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.11.36-3.el8_6.13
  17. Upgrade

    Upgrade redhat/bind-pkcs11-devel to a version that resolves this vulnerability.

    Fixed in 9.11.36-3.el8_6.13
  18. Upgrade

    Upgrade redhat/bind-pkcs11-libs to a version that resolves this vulnerability.

    Fixed in 9.11.36-3.el8_6.13
  19. Upgrade

    Upgrade redhat/bind-pkcs11-libs-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.11.36-3.el8_6.13
  20. Upgrade

    Upgrade redhat/bind-pkcs11-utils to a version that resolves this vulnerability.

    Fixed in 9.11.36-3.el8_6.13
  21. Upgrade

    Upgrade redhat/bind-pkcs11-utils-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.11.36-3.el8_6.13
  22. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  23. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  24. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  25. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  26. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  27. Upgrade

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

    Fixed in 9.11.36-3.el8_6.13
  28. Upgrade

    Upgrade bind to a version that resolves this vulnerability.

    Patch RHSA-2026:54654

Event History

Nov 5, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·06:55 AM
Data Sourced
via Red Hat·06:55 AM
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