RHSA-2026:93072 — Security Advisory
Red Hat Security Advisory: bind9.18 security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · October 31, 2026
Updated · November 4, 2026
Topic
An update for bind9.18 is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
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):
-
bind: BIND: Denial of Service via unbounded processing of crafted DNS messages (CVE-2026-19630)
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bind: bind: Arbitrary code execution via GSS-TSIG UDP message replay (CVE-2026-94300)
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bind: bind: Denial of Service via assertion failure during redirect processing (CVE-2026-96888)
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bind: bind: Denial of service via assertion failure in RPZ query processing (CVE-2026-97313)
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.