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OpenAdvisories
Medium RHSA-2026:89746 1 CVE

Red Hat Security Advisory: bind9.18 security update

Published Nov 13, 2026 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 18

ReleasePackageFixed in
Red Hat · RHEL 9 enterprise_linux:9::appstream bind9.18 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::appstream bind9.18-chroot 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::appstream bind9.18-debuginfo 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::appstream bind9.18-debugsource 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::appstream bind9.18-dnssec-utils 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::appstream bind9.18-dnssec-utils-debuginfo 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::appstream bind9.18-libs 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::appstream bind9.18-libs-debuginfo 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::appstream bind9.18-utils 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::appstream bind9.18-utils-debuginfo 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::crb bind9.18-debuginfo 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::crb bind9.18-debugsource 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::crb bind9.18-devel 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::crb bind9.18-dnssec-utils-debuginfo 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::crb bind9.18-doc 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::crb bind9.18-libs 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::crb bind9.18-libs-debuginfo 32:9.18.29-14.el9_8.11
Red Hat · RHEL 9 enterprise_linux:9::crb bind9.18-utils-debuginfo 32:9.18.29-14.el9_8.11

Vulnerabilities 1

  • Medium 5.9
    CVE-2026-19662

    qpcache NOQNAME proof use-after-free crashes recursive resolver

    An attacker may be able to cause a `named` resolver to abort. The attack requires inducing the victim resolver to send multiple queries for a DNSSEC-signed zone hosted by an authoritative server under the control of the attacker. If the auth responds with a p…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine Wolfi

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2535445
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_89746.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-19662
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-19662
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-19662
  • article
    https://downloads.isc.org/isc/bind9/9.20.29
  • article
    https://kb.isc.org/docs/cve-2026-19662