Fedora 44 bind-dyndb-ldap Critical Denial of Service Fix 2026-19d899e92d
fedora
March 31, 2026
Update to 9.18.47 (rhbz#2440561) Security Fixes: Fix unbounded NSEC3 iterations when validating referrals to unsigned delegations
Summary
This package provides an LDAP back-end plug-in for BIND. It features
support for dynamic updates and internal caching, to lift the load
off of your LDAP server.
Update Information:
Update to 9.18.47 (rhbz#2440561) Security Fixes: Fix unbounded NSEC3 iterations when validating referrals to unsigned delegations. (CVE-2026-1519) Source: https://downloads.isc.org/isc/bind9/9.18.47/doc/arm/html/notes.html#notes-for- bind-9-18-47
Topics Covered
Change Log
* Wed Mar 25 2026 Petr Men\u0161k
References
[ 1 ] Bug #2440561 - bind-9.18.47 is available
https://bugzilla.redhat.com/show_bug.cgi?id=2440561
[ 2 ] Bug #2451360 - CVE-2026-1519 bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2451360
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-19d899e92d' 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-dyndb-ldap
Product: Fedora 44
Version: 11.11
Release: 13.fc44
Summary: LDAP back-end plug-in for BIND
Topics Covered
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