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OpenAdvisories
High RHSA-2026:93925 3 CVEs

Red Hat Security Advisory: bind security, bug fix, and enhancement update

Published Nov 13, 2026 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 38

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::appstream bind 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-chroot 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-debugsource 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-devel 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-export-libs-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-libs 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-libs-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-libs-lite 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-libs-lite-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-license 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-lite-devel 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-devel 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-libs 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-libs-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-utils 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-utils-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-sdb 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-sdb-chroot 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-sdb-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-utils 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-utils-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::appstream python3-bind 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-debugsource 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-export-devel 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-export-libs 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-export-libs-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-libs-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-libs-lite-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-pkcs11-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-pkcs11-libs-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-pkcs11-utils-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-sdb-debuginfo 32:9.11.36-18.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-utils-debuginfo 32:9.11.36-18.el8_10

Vulnerabilities 3

  • High 8.1
    CVE-2026-94300 Public exploit

    Concurrent GSS-TSIG messages corrupt memory

    Replaying GSS-TSIG signed UDP messages can result in memory corruption in "`named`". An attacker who can capture a previously signed UDP message can replay it while the negotiated TSIG key is still valid. By also sending crafted queries to a zone the attacker…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine Wolfi
  • High 7.5
    CVE-2026-19630

    Amplified resource exhaustion in inbound message processing

    In a BIND resolver, inbound DNS protocol messages with a particular structure will result in additional processing, with no limit imposed by BIND. A DNS message with a maliciously large number of such structures will cause BIND to consume disproportionate amo…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine Wolfi
  • 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/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2535445
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2556406
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2556407
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_93925.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-19630
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-19630
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-19630
  • article
    https://kb.isc.org/docs/cve-2026-19630
  • 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
  • report
    https://access.redhat.com/security/cve/CVE-2026-94300
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-94300
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-94300
  • article
    https://kb.isc.org/docs/cve-2026-94300