Fedora alert FEDORA-2026-bcc66a29da (bind9-next)
| From: | updates--- via package-announce <package-announce@lists.fedoraproject.org> | |
| To: | package-announce@lists.fedoraproject.org | |
| Subject: | [SECURITY] Fedora 42 Update: bind9-next-9.21.20-1.fc42 | |
| Date: | Fri, 03 Apr 2026 17:04:13 +0000 | |
| Message-ID: | <20260403170413.01D437973A@bastion01.rdu3.fedoraproject.org> | |
| Archive-link: | Article |
-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2026-bcc66a29da 2026-04-03 17:03:00.363034+00:00 -------------------------------------------------------------------------------- Name : bind9-next Product : Fedora 42 Version : 9.21.20 Release : 1.fc42 URL : https://www.isc.org/downloads/bind/ Summary : The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) server 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. -------------------------------------------------------------------------------- Update Information: Update to 9.21.20 (rhbz#2440560) Security Fixes: Fix unbounded NSEC3 iterations when validating referrals to unsigned delegations. (CVE-2026-1519) Fix memory leaks in code preparing DNSSEC proofs of non-existence. (CVE-2026-3104) Prevent a crash in code processing queries containing a TKEY record. (CVE-2026-3119) Fix a stack use-after-return flaw in SIG(0) handling code. (CVE-2026-3591) New Features: Provide response round-trip time (RTT) counters via statistics channel. Introduce max-delegation-servers configuration option. Bug Fixes: Fix parsing key inactivation time in KASP code. Fix the handling of key statements defined inside views. Update to 9.21.19 Security Fixes: Fix a use-after-free error in dns_client_resolve() triggered by a DNAME response. Fix a NULL pointer dereference in qp-trie cache code. Immediately remove purged ADB names and entries from the SIEVE list. Feature Changes: Record query time for all dnstap responses. Optimize TCP source port selection on Linux. and multiple bug fixes. Update to 9.21.18 Feature Changes: Enable minimal ANY answers by default. Lowercase the NSEC Next Domain Name field. Update requirements for system test suite. Bug Fixes: Make catalog zone names and member zones' entry names case-insensitive. [GL #5693] Fix implementation of BRID and HHIT record types. [GL #5710] Fix implementation of DSYNC record type. [GL #5711] Fix response policy and catalog zones to work with $INCLUDE directive. Source: https://downloads.isc.org/isc/bind9/9.21.20/doc/arm/html/... bind-9-21-20 -------------------------------------------------------------------------------- ChangeLog: * Wed Mar 25 2026 Petr Menšík <pemensik@redhat.com> - 32:9.21.20-1 - Update to 9.21.20 (rhbz#2440560) -------------------------------------------------------------------------------- References: [ 1 ] Bug #2440560 - bind9-next-9.21.20 is available https://bugzilla.redhat.com/show_bug.cgi?id=2440560 [ 2 ] Bug #2451573 - CVE-2026-3591 bind9-next: BIND: Unauthorized access due to use-after-return vulnerability in DNS query handling [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2451573 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-bcc66a29da' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgr... All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/keys --------------------------------------------------------------------------------
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