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Medium RLSA-2026:89746 1 CVE

Moderate: bind9.18 security update

Published Oct 27, 2026 · Updated Oct 27, 2026

Summary

BIND (Berkeley Internet Name Domain) is an implementation of the DNS (Domain Name System) protocols. BIND includes a DNS server (named), which resolves host names to IP addresses; a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating properly.

Security Fix(es):

* bind9: bind: BIND 9: Denial of Service via crafted DNSSEC responses (CVE-2026-19662)

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.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 bind9.18 2:9.18.29-14.el9_8.11

Vulnerabilities 1

  • Medium 5.9

    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…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2535445
  • advisory
    https://access.redhat.com/errata/RHSA-2026:89746