Issued:: 2026-08-26
Updated:: 2026-08-26

RHSA-2026:60383 - Important: bind security update

Synopsis

Important: bind security update

Type/Severity

Security Advisory: Important

Topic

An update for bind is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support.

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

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):

bind: BIND 9 server memory exhaustion during GSS-API TKEY negotiation (CVE-2026-3039)
bind: BIND: Denial of Service via specially crafted DNS messages (CVE-2026-5946)
bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field (CVE-2026-13321)
bind: bind9: Potential memory usage beyond configured limits (CVE-2026-11622)
bind: bind9: Cache poisoning via label count discrepancy, RRSIG, wildcards (CVE-2026-11721)
bind: bind9: Unexpected exit with NSEC and NSEC3 both present (CVE-2026-13204)
bind: bind9: Incorrect acceptance of NSEC3 records (CVE-2026-10723)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

Product	Version	Arch
Red Hat Enterprise Linux Server - Extended Life Cycle Support	7	x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian	7	ppc64le
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian	7	ppc64
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)	7	s390x

Updated Packages

bind-export-libs-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-pkcs11-utils-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-export-devel-9.11.4-26.P2.el7_9.21.ppc.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.21.s390.rpm
bind-pkcs11-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-export-devel-9.11.4-26.P2.el7_9.21.i686.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-pkcs11-utils-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-pkcs11-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-sdb-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-sdb-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-export-devel-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-export-libs-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-devel-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-sdb-chroot-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.21.s390.rpm
bind-chroot-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-chroot-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-libs-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-libs-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-sdb-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-devel-9.11.4-26.P2.el7_9.21.ppc.rpm
bind-libs-9.11.4-26.P2.el7_9.21.s390.rpm
bind-export-libs-9.11.4-26.P2.el7_9.21.ppc.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-utils-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-sdb-chroot-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-license-9.11.4-26.P2.el7_9.21.noarch.rpm
bind-sdb-chroot-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-pkcs11-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-export-devel-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.21.s390.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.21.ppc.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.21.s390.rpm
bind-export-devel-9.11.4-26.P2.el7_9.21.s390.rpm
bind-export-libs-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-chroot-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-devel-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.21.ppc.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-export-devel-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-export-libs-9.11.4-26.P2.el7_9.21.i686.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-pkcs11-utils-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-devel-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-utils-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.21.i686.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.21.i686.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.21.i686.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.21.i686.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.21.i686.rpm
bind-export-libs-9.11.4-26.P2.el7_9.21.s390.rpm
bind-libs-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-utils-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-utils-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-sdb-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.21.s390.rpm
bind-export-libs-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-libs-9.11.4-26.P2.el7_9.21.i686.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-libs-9.11.4-26.P2.el7_9.21.ppc.rpm
bind-export-devel-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-libs-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.21.ppc.rpm
bind-devel-9.11.4-26.P2.el7_9.21.s390.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.21.ppc.rpm
bind-pkcs11-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.21.ppc.rpm
bind-9.11.4-26.P2.el7_9.21.src.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.21.x86_64.rpm
bind-devel-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.21.s390x.rpm
bind-sdb-chroot-9.11.4-26.P2.el7_9.21.ppc64.rpm
bind-pkcs11-utils-9.11.4-26.P2.el7_9.21.ppc64le.rpm
bind-devel-9.11.4-26.P2.el7_9.21.i686.rpm
bind-chroot-9.11.4-26.P2.el7_9.21.ppc64.rpm

Fixes

CVEs

References

https://access.redhat.com/security/updates/classification/#important

Additional information

The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at Security Contacts and Procedures.
Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.