Fedora 43 BIND 9.18.45 Urgent DoS Vulnerability Patch 2026-567ff6c688
fedora
January 27, 2026
Update to 9.18.44 (rhbz#2431609) Security Fixes: Fix incorrect length checks for BRID and HHIT records
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.
Update Information:
Update to 9.18.44 (rhbz#2431609) Security Fixes: Fix incorrect length checks for BRID and HHIT records. (CVE-2025-13878) Bug Fixes: Allow glue in delegations with QTYPE=ANY. Reconfiguring an NSEC3 opt-out zone to NSEC caused the zone to be invalid. https://downloads.isc.org/isc/bind9/9.18.44/doc/arm/html/notes.html#notes-for- bind-9-18-44
Topics Covered
Change Log
* Thu Jan 22 2026 Petr Men\u0161k
References
[ 1 ] Bug #2431609 - bind-9.18.44 is available
https://bugzilla.redhat.com/show_bug.cgi?id=2431609
[ 2 ] Bug #2431925 - CVE-2025-13878 bind: bind: Denial of Service via corrupt or malicious record [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2431925
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-567ff6c687' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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Name: bind
Product: Fedora 43
Version: 9.18.44
Release: 1.fc43
Summary: The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) server
Topics Covered
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