ALSA-2026:94011: Important: bind9.16 security update

Published Nov 2, 2026
·
Updated

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.

Security Fix(es):

bind9: bind: BIND 9: Denial of Service via crafted DNSSEC responses (CVE-2026-19662) bind: BIND: Denial of Service via unbounded processing of crafted DNS messages (CVE-2026-19630) bind: bind: Arbitrary code execution via GSS-TSIG UDP message replay (CVE-2026-94300) bind: bind: Denial of Service via assertion failure during redirect processing (CVE-2026-96888) 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.

Affected Software

9 affected componentsFixes available
almalinux/bind9.16<32:9.16.23-0.22.el8_10.21
32:9.16.23-0.22.el8_10.21
almalinux/bind9.16-chroot<32:9.16.23-0.22.el8_10.21
32:9.16.23-0.22.el8_10.21
almalinux/bind9.16-devel<32:9.16.23-0.22.el8_10.21
32:9.16.23-0.22.el8_10.21
almalinux/bind9.16-dnssec-utils<32:9.16.23-0.22.el8_10.21
32:9.16.23-0.22.el8_10.21
almalinux/bind9.16-doc<32:9.16.23-0.22.el8_10.21
32:9.16.23-0.22.el8_10.21
almalinux/bind9.16-libs<32:9.16.23-0.22.el8_10.21
32:9.16.23-0.22.el8_10.21
almalinux/bind9.16-license<32:9.16.23-0.22.el8_10.21
32:9.16.23-0.22.el8_10.21
almalinux/bind9.16-utils<32:9.16.23-0.22.el8_10.21
32:9.16.23-0.22.el8_10.21
almalinux/python3-bind9.16<32:9.16.23-0.22.el8_10.21
32:9.16.23-0.22.el8_10.21

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade almalinux/bind9.16 to a version that resolves this vulnerability.

    Fixed in 32:9.16.23-0.22.el8_10.21
  2. Upgrade

    Upgrade almalinux/bind9.16-chroot to a version that resolves this vulnerability.

    Fixed in 32:9.16.23-0.22.el8_10.21
  3. Upgrade

    Upgrade almalinux/bind9.16-devel to a version that resolves this vulnerability.

    Fixed in 32:9.16.23-0.22.el8_10.21
  4. Upgrade

    Upgrade almalinux/bind9.16-dnssec-utils to a version that resolves this vulnerability.

    Fixed in 32:9.16.23-0.22.el8_10.21
  5. Upgrade

    Upgrade almalinux/bind9.16-doc to a version that resolves this vulnerability.

    Fixed in 32:9.16.23-0.22.el8_10.21
  6. Upgrade

    Upgrade almalinux/bind9.16-libs to a version that resolves this vulnerability.

    Fixed in 32:9.16.23-0.22.el8_10.21
  7. Upgrade

    Upgrade almalinux/bind9.16-license to a version that resolves this vulnerability.

    Fixed in 32:9.16.23-0.22.el8_10.21
  8. Upgrade

    Upgrade almalinux/bind9.16-utils to a version that resolves this vulnerability.

    Fixed in 32:9.16.23-0.22.el8_10.21
  9. Upgrade

    Upgrade almalinux/python3-bind9.16 to a version that resolves this vulnerability.

    Fixed in 32:9.16.23-0.22.el8_10.21

Event History

Nov 2, 2026
Advisory Published
via OSV·12:00 AM
Data Sourced
via OSV·12:00 AM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

Which packages should be included when reviewing systems for this update?

The advisory covers almalinux/bind9.16, bind9.16-chroot, bind9.16-devel, bind9.16-dnssec-utils, bind9.16-doc, bind9.16-libs, bind9.16-license, and bind9.16-utils.

2

When was this advisory published and last modified?

It was published on 2026-11-02 and modified on 2026-11-03.

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