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The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:. Oracle Linux Security Advisory ELSA-2026-24368 http://linux.oracle.com/errata/ELSA-2026-24368.html The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network: x86_64: bind9.18-9.18.29-14.el9_8.2.x86_64.rpm bind9.18-chroot-9.18.29-14.el9_8.2.x86_64.rpm bind9.18-devel-9.18.29-14.el9_8.2.i686.rpm bind9.18-devel-9.18.29-14.el9_8.2.x86_64.rpm bind9.18-dnssec-utils-9.18.29-14.el9_8.2.x86_64.rpm bind9.18-doc-9.18.29-14.el9_8.2.noarch.rpm bind9.18-libs-9.18.29-14.el9_8.2.i686.rpm bind9.18-libs-9.18.29-14.el9_8.2.x86_64.rpm bind9.18-utils-9.18.29-14.el9_8.2.x86_64.rpm aarch64: bind9.18-9.18.29-14.el9_8.2.aarch64.rpm bind9.18-chroot-9.18.29-14.el9_8.2.aarch64.rpm bind9.18-devel-9.18.29-14.el9_8.2.aarch64.rpm bind9.18-dnssec-utils-9.18.29-14.el9_8.2.aarch64.rpm bind9.18-doc-9.18.29-14.el9_8.2.noarch.rpm bind9.18-libs-9.18.29-14.el9_8.2.aarch64.rpm bind9.18-utils-9.18.29-14.el9_8.2.aarch64.rpm SRPMS: http://oss.oracle.com/ol9/SRPMS-updates/bind9.18-9.18.29-14.el9_8.2.src.rpm Related CVEs: CVE-2026-3039 CVE-2026-5946 Description of changes: [32:9.18.29-14.2] - Fix GSS-API resource leak (CVE-2026-3039) - Invalid handling of CLASS != IN (CVE-2026-5946) _______________________________________________ El-errata mailing list
Several security issues were fixed in Bind.. ========================================================================== Ubuntu Security Notice USN-8293-1 May 21, 2026 bind9 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 25.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in Bind. Software Description: - bind9: Internet Domain Name Server Details: Vitaly Simonovich discovered that Bind could exhaust memory during GSS-API TKEY negotiation. A remote attacker could possibly use this issue to cause Bind to use excessive resources, leading to a denial of service. (CVE-2026-3039) Shuhan Zhang discovered that Bind incorrectly handled self-pointed glue records. A remote attacker could possibly use this issue to use Bind in denial of service amplification attacks against other systems. (CVE-2026-3592) Naresh Kandula Parmar discovered that Bind incorrectly handled memory in the DNS-over-HTTPS implementation. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service, or execute arbitrary code. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-3593) It was discovered that Bind incorrectly handled DNS messages whose class was not IN. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2026-5946) Naoki Wakamatsu discovered that Bind incorrectly handled SIG(0) validation during a query flood. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-5947) Billy Baraja discovered that Bind had an unbounded resend loop in the resolver. A remote attacker could possibly use this issue to cause Bind to use excessive resources, leading to a denial of service. (CVE-2026-5950) Update instructions: Theproblem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS bind9 1:9.20.18-1ubuntu2.1 Ubuntu 25.10 bind9 1:9.20.11-1ubuntu2.4 Ubuntu 24.04 LTS bind9 1:9.18.39-0ubuntu0.24.04.5 Ubuntu 22.04 LTS bind9 1:9.18.39-0ubuntu0.22.04.4 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8293-1 CVE-2026-3039, CVE-2026-3592, CVE-2026-3593, CVE-2026-5946, CVE-2026-5947, CVE-2026-5950 Package Information: https://launchpad.net/ubuntu/+source/bind9/1:9.20.18-1ubuntu2.1 https://launchpad.net/ubuntu/+source/bind9/1:9.20.11-1ubuntu2.4 https://launchpad.net/ubuntu/+source/bind9/1:9.18.39-0ubuntu0.24.04.5 https://launchpad.net/ubuntu/+source/bind9/1:9.18.39-0ubuntu0.22.04.4 . Multiple security issues in Bind fixed with critical updates in Ubuntu 26.04, 25.10, and other versions to mitigate denial of service attacks.. Bind Security, Ubuntu Updates, Denial of Service Fixes, Internet Domain Server, Linux Vulnerabilities. . Severity: Critical. LinuxSecurity.com Team
Several vulnerabilities were discovered in BIND, a DNS server implementation, which may result in denial of service. For the oldstable distribution (bookworm), these problems have been fixed in version 1:9.18.49-1~deb12u1. For the stable distribution (trixie), these problems have been fixed in. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6285-1
The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:. Oracle Linux Security Advisory ELSA-2026-7915 http://linux.oracle.com/errata/ELSA-2026-7915.html The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network: x86_64: bind9.18-9.18.29-5.el9_7.4.x86_64.rpm bind9.18-chroot-9.18.29-5.el9_7.4.x86_64.rpm bind9.18-devel-9.18.29-5.el9_7.4.i686.rpm bind9.18-devel-9.18.29-5.el9_7.4.x86_64.rpm bind9.18-dnssec-utils-9.18.29-5.el9_7.4.x86_64.rpm bind9.18-doc-9.18.29-5.el9_7.4.noarch.rpm bind9.18-libs-9.18.29-5.el9_7.4.i686.rpm bind9.18-libs-9.18.29-5.el9_7.4.x86_64.rpm bind9.18-utils-9.18.29-5.el9_7.4.x86_64.rpm aarch64: bind9.18-9.18.29-5.el9_7.4.aarch64.rpm bind9.18-chroot-9.18.29-5.el9_7.4.aarch64.rpm bind9.18-devel-9.18.29-5.el9_7.4.aarch64.rpm bind9.18-dnssec-utils-9.18.29-5.el9_7.4.aarch64.rpm bind9.18-doc-9.18.29-5.el9_7.4.noarch.rpm bind9.18-libs-9.18.29-5.el9_7.4.aarch64.rpm bind9.18-utils-9.18.29-5.el9_7.4.aarch64.rpm SRPMS: http://oss.oracle.com/ol9/SRPMS-updates/bind9.18-9.18.29-5.el9_7.4.src.rpm Related CVEs: CVE-2026-1519 Description of changes: [32:9.18.29-5.4] - Correct backport issue in the patch (CVE-2026-1519) [32:9.18.29-5.3] - Prevent Denial of Service via maliciously crafted DNSSEC-validated zone (CVE-2026-1519) _______________________________________________ El-errata mailing list
The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:. Oracle Linux Security Advisory ELSA-2026-8155 http://linux.oracle.com/errata/ELSA-2026-8155.html The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network: x86_64: bind9.16-9.16.23-0.22.el8_10.5.x86_64.rpm bind9.16-chroot-9.16.23-0.22.el8_10.5.x86_64.rpm bind9.16-devel-9.16.23-0.22.el8_10.5.i686.rpm bind9.16-devel-9.16.23-0.22.el8_10.5.x86_64.rpm bind9.16-dnssec-utils-9.16.23-0.22.el8_10.5.x86_64.rpm bind9.16-doc-9.16.23-0.22.el8_10.5.noarch.rpm bind9.16-libs-9.16.23-0.22.el8_10.5.i686.rpm bind9.16-libs-9.16.23-0.22.el8_10.5.x86_64.rpm bind9.16-license-9.16.23-0.22.el8_10.5.noarch.rpm bind9.16-utils-9.16.23-0.22.el8_10.5.x86_64.rpm python3-bind9.16-9.16.23-0.22.el8_10.5.noarch.rpm aarch64: bind9.16-9.16.23-0.22.el8_10.5.aarch64.rpm bind9.16-chroot-9.16.23-0.22.el8_10.5.aarch64.rpm bind9.16-devel-9.16.23-0.22.el8_10.5.aarch64.rpm bind9.16-dnssec-utils-9.16.23-0.22.el8_10.5.aarch64.rpm bind9.16-doc-9.16.23-0.22.el8_10.5.noarch.rpm bind9.16-libs-9.16.23-0.22.el8_10.5.aarch64.rpm bind9.16-license-9.16.23-0.22.el8_10.5.noarch.rpm bind9.16-utils-9.16.23-0.22.el8_10.5.aarch64.rpm python3-bind9.16-9.16.23-0.22.el8_10.5.noarch.rpm SRPMS: http://oss.oracle.com/ol8/SRPMS-updates/bind9.16-9.16.23-0.22.el8_10.5.src.rpm Related CVEs: CVE-2026-1519 Description of changes: [32:9.16.23-0.22.5] - Prevent Denial of Service via maliciously crafted DNSSEC-validated zone (CVE-2026-1519) _______________________________________________ El-errata mailing list
BIND a popular name server (DNS) was affected by a vulnerability. If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers. Debian LTS Advisory DLA-4529-1
Update to 9.21.17 (rhbz#2415843) Security Fixes: Fix incorrect length checks for BRID and HHIT records. (CVE-2025-13878) New Features: Add support for Extended DNS Error 9 (Missing DNSKEY).. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2026-b31c8d8e83 2026-01-31 17:26:56.329411+00:00 -------------------------------------------------------------------------------- Name : bind9-next Product : Fedora 43 Version : 9.21.17 Release : 1.fc43 URL : https://www.isc.org/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 9.21.17 (rhbz#2415843) Security Fixes: Fix incorrect length checks for BRID and HHIT records. (CVE-2025-13878) New Features: Add support for Extended DNS Error 9 (Missing DNSKEY). Add support for Extended DNS Error 13 (Cached Error). Add support for Generalized DNS Notifications. Features Changes: Add more information to the rndc recursing output about fetches. Enforce bounds of multiple configuration options. Bug Fixes: Fix inbound IXFR performance regression. Make DNSSEC key rollovers more robust. Fix a catalog zone issue, where member zones could fail to load. Fix slow speed when signing a large delegation zone with NSEC3 opt-out. Reconfiguring an NSEC3 opt-out zone to NSEC caused the zone to be invalid. Fix a possible catalog zone issue during reconfiguration. Fix the charts in the statisticschannel. https://downloads.isc.org/isc/bind9/9.21.17/doc/arm/html/notes.html#notes-for- bind-9-21-17 -------------------------------------------------------------------------------- ChangeLog: * Thu Jan 22 2026 Petr Men\u0161k - 32:9.21.17-1 - Update to 9.21.17 (rhbz#2415843) * Thu Jan 22 2026 Petr Men\u0161k - 32:9.21.16-2 - Fix build for RHEL, disable JEMALLOC there * Thu Jan 22 2026 Petr Men\u0161k - 32:9.21.16-1 - Update to 9.21.16 (rhbz#2415843) * Thu Jan 22 2026 Petr Men\u0161k - 32:9.21.15-2 - Use dns-root-data package for hints source * Thu Jan 22 2026 Petr Men\u0161k - 32:9.21.15-1 - Update to 9.21.15 (rhbz#2415843) * Thu Jan 22 2026 Petr Men\u0161k - 32:9.21.14-3 - Fix running SYSTEMTEST during build -------------------------------------------------------------------------------- References: [ 1 ] Bug #2415843 - bind9-next-9.21.17 is available https://bugzilla.redhat.com/show_bug.cgi?id=2415843 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-b31c8d8e83' 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 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 -------------------------------------------------------------------------------- . Fedora 43 updates bind9-next for security fixes including Critical CVE-2025-13878 with new features and enhancements.. bind9-next, Fedora 43, security fix, DNS server. . Severity: Important. LinuxSecurity.com Team
Vlatko Kosturjak discovered that BIND, a DNS server implementation, does not properly handle malformed BRID/HHIT records, which may result in denial of service (named daemon crash). For the oldstable distribution (bookworm), this problem has been fixed in version 1:9.18.44-1~deb12u1.. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6107-1
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