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ALSA-2026:89745 — Moderate: bind security update

Affected: AlmaLinux:9: bind, AlmaLinux:9: bind-chroot, AlmaLinux:9: bind-devel, AlmaLinux:9: bind-dnssec-doc, AlmaLinux:9: bind-dnssec-utils, AlmaLinux:9: bind-doc, AlmaLinux:9: bind-libs, AlmaLinux:9: bind-license, AlmaLinux:9: bind-utils, AlmaLinux:9: python3-bind

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)

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.

certfr-2026-avi-1376 — De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un a…

certfr-2026-avi-1376

fkie_cve-2026-19662

An attacker may be able to cause a `named` resolver to abort. The attack requires inducing the victim resolver to send multiple queries for a DNSSEC-signed zone hosted by an authoritative server under the control of the attacker. If the auth responds with a particular sequence of crafted answers, and those answers arrive in a particular order with particular timing, the `named` resolver will encounter a use-after-free bug, and abort. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.

GHSA-pqfm-7x4v-9w63

msrc_CVE-2026-19662 — qpcache NOQNAME proof use-after-free crashes recursive resolver

msrc_CVE-2026-19662

OESA-2026-4340 — bind security update

Affected: openEuler:24.03-LTS-SP3: bind

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. Security Fix(es):

For a secondary zone with transfers restricted by TSIG, `named` may start to serve the data provided in a zone transfer before the final message with the TSIG signature arrives. This could allow an attacker that does not actually possess a valid TSIG signature to send unauthorized zone contents to a secondary server. Although no TSIG signature ever arrives, `named` does not rollback to the pre-transfer state. To exploit the vulnerability, the transfer must be a multi-message TCP IXFR, as described by RFC 8945. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.(CVE-2026-19033)

openSUSE-SU-2026:11916-1 — bind-9.20.29-1.1 on GA media

bind-9.20.29-1.1 on GA media

RHSA-2026:68279 — Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

bind: BIND: Unauthorized zone content updates via unauthenticated IXFR deltas bind9: bind: BIND 9: Denial of Service via crafted DNSSEC responses bind: BIND: Denial of Service via malformed DNS64 responses bind9: bind: BIND 9: Denial of Service via 16-bit length truncation in DNS negative cache handling bind: BIND: Denial of Service via invalid DNSSEC records bind9: bind: BIND 9: DNS wildcard record existence can be masked by an attacker via inapplicable NSEC records bind: BIND 9: Denial of Service via crafted query responses bind: BIND: Denial of Service via TKEY query with specific configuration bind9: bind: BIND 9: DNSSEC bypass via NSEC3 insecure-referral proof bind: BIND: Remote Denial of Service via crafted DNS-over-HTTPS request bind: BIND: DNS cache poisoning via malformed zone insertion bind: BIND: Denial of Service via crafted DNSSEC reply bind: BIND resolver: Denial of Service due to resource exhaustion in SVCB/HTTPS AliasMode processing bind: BIND 9: Remote Denial of Service via cached SVCB/HTTPS AliasMode records

SUSE-SU-2026:24157-1 — Security update for bind

Security update for bind

UBUNTU-CVE-2026-19662

Affected: Ubuntu:18.04:LTS: isc-dhcp, Ubuntu:Pro:20.04:LTS: bind9, Ubuntu:20.04:LTS: bind9-libs, Ubuntu:22.04:LTS: bind9, Ubuntu:22.04:LTS: bind9-libs, Ubuntu:24.04:LTS: bind9, Ubuntu:24.04:LTS: isc-dhcp, Ubuntu:26.10: bind9, Ubuntu:26.04:LTS: bind9, Ubuntu:26.04:LTS: isc-dhcp

WID-SEC-W-2026-3420 — Internet Systems Consortium BIND: Mehrere Schwachstellen

Ein entfernter Angreifer kann mehrere Schwachstellen in Internet Systems Consortium BIND ausnutzen, um Daten zu manipulieren, Sicherheitsmaßnahmen zu umgehen oder Denial-of-Service-Zustände herbeizuführen.