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OpenAdvisories
High RHSA-2026:23360 2 CVEs

Red Hat Security Advisory: bind9.16 security update

Published Jun 5, 2026 · Updated Oct 12, 2026

Ecosystem: Red Hat

Fixed packages 20

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::appstream bind9.16 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::appstream bind9.16-chroot 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::appstream bind9.16-debuginfo 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::appstream bind9.16-debugsource 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::appstream bind9.16-dnssec-utils 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::appstream bind9.16-dnssec-utils-debuginfo 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::appstream bind9.16-libs 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::appstream bind9.16-libs-debuginfo 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::appstream bind9.16-license 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::appstream bind9.16-utils 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::appstream bind9.16-utils-debuginfo 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::appstream python3-bind9.16 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::crb bind9.16-debuginfo 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::crb bind9.16-debugsource 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::crb bind9.16-devel 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::crb bind9.16-dnssec-utils-debuginfo 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::crb bind9.16-doc 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::crb bind9.16-libs 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::crb bind9.16-libs-debuginfo 32:9.16.23-0.22.el8_10.6
Red Hat · RHEL 8 enterprise_linux:8::crb bind9.16-utils-debuginfo 32:9.16.23-0.22.el8_10.6

Vulnerabilities 2

  • High 7.5
    CVE-2026-3039

    BIND 9 server memory exhaustion during GSS-API TKEY negotiation

    BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive memory consumption when receiving and processing maliciously-constructed packets. Typically these servers will be found in Active Directory integr…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine
  • High 7.5
    CVE-2026-5946

    Invalid handling of CLASS != IN

    Multiple flaws have been identified in `named` related to the handling of DNS messages whose CLASS is not Internet (`IN`) — for example, `CHAOS` or `HESIOD`, or DNS messages that specify meta-classes (`ANY` or `NONE`) in the question section. Specially crafte…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2479767
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2479771
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_23360.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-3039
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-3039
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-3039
  • report
    https://access.redhat.com/security/cve/CVE-2026-5946
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-5946
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-5946