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217

Oracle Linux 9 ELSA-2026-24368 bind9 Important CVE-2026-3039 CVE-2026-5946

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 This email address is being protected from spambots. You need JavaScript enabled to view it. https://oss.oracle.com/mailman/listinfo/el-errata . Updated bind9 package for Oracle Linux 9 fixes important issues related to GSS-API leak and class handling.. Oracle Linux, bind9, GSS-API leak, security advisory, CVE management. . Severity: Important. LinuxSecurity.com Team

Calendar%202 Jun 24, 2026 Important Oracle
172

Ubuntu 26.04 Bind9 Critical Denial Service Issues USN-8293-1

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

Calendar%202 May 21, 2026 Critical Ubuntu
87

Debian bind9 Important Denial of Service Security Advisory DSA-6285-1

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 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Moritz Muehlenhoff May 20, 2026 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : bind9 CVE ID : CVE-2026-3039 CVE-2026-3592 CVE-2026-5946 CVE-2026-5950 CVE-2026-5947 CVE-2026-3593 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 version 1:9.20.23-1~deb13u1. We recommend that you upgrade your bind9 packages. For the detailed security status of bind9 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/bind9 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . Multiple vulnerabilities in BIND DNS lead to potential denial of service in Debian. Update to the latest versions to mitigate risks.. BIND DNS Security Debian Update Denial Services. . Severity: Important. LinuxSecurity.com Team

Calendar%202 May 20, 2026 Important Debian
217

Oracle Linux 9 bind9 Key Denial of Service ELSA-2026-7915 CVE-2026-1519

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 This email address is being protected from spambots. You need JavaScript enabled to view it. https://oss.oracle.com/mailman/listinfo/el-errata . Oracle Linux 9 security advisory ELSA-2026-7915 updates bind9 due to a critical issue leading to Denial of Service.. Oracle Linux Security, bind9 Update, Denial of Service, Important Security Advisory, ELSA-2026-7915. . Severity: Important. LinuxSecurity.com Team

Calendar%202 Apr 15, 2026 Important Oracle
217

Oracle Linux 8 bind9.16 Important Denial of Service Fix ELSA-2026-8155

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 This email address is being protected from spambots. You need JavaScript enabled to view it. https://oss.oracle.com/mailman/listinfo/el-errata . Oracle Linux 8 updates for bind9.16 address critical security flaws including Denial of Service risk. Immediate action advised.. Oracle Linux, bind9, security advisory, updates, Denial of Service. . Severity: Important. LinuxSecurity.com Team

Calendar%202 Apr 15, 2026 Important Oracle
197

Debian 11 Bind9 Important DNSSEC CPU Consumption Threat DLA-4529-1

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 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Bastien Roucari��s April 13, 2026 https://wiki.debian.org/LTS Package : bind9 Version : 1:9.16.50-1~deb11u5 CVE ID : CVE-2026-1519 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 may make recursive queries For Debian 11 bullseye, this problem has been fixed in version 1:9.16.50-1~deb11u5. We recommend that you upgrade your bind9 packages. For the detailed security status of bind9 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/bind9 Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS . BIND DNS server on Debian LTS faced critical CPU consumption issue from maliciously crafted zones. Update recommended.. bind9 update, debian dns advisory, cpu vulnerability, dnssec validation. . Severity: Important. LinuxSecurity.com Team

Calendar%202 Apr 13, 2026 Important Debian LTS
89

Fedora 43 Releases Bind9-Next Important Security Patch for CVE-2025-13878

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

Calendar%202 Jan 31, 2026 Important Fedora
87

Debian Oldstable BIND9 Critical Denial of Service DSA-6107-1 CVE-2025-13878

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 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Salvatore Bonaccorso January 22, 2026 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : bind9 CVE ID : CVE-2025-13878 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. For the stable distribution (trixie), this problem has been fixed in version 1:9.20.18-1~deb13u1. We recommend that you upgrade your bind9 packages. For the detailed security status of bind9 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/bind9 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . BIND DNS Server faces denial of service risk from malformed records. Upgrade to latest version for safety.. DNS Server Security, Debian Bind9, Denial of Service Risk. . Severity: Important. LinuxSecurity.com Team

Calendar%202 Jan 22, 2026 Important Debian
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[{"id":503,"title":"Delayed updates invite catastrophic breaches.","votes":1,"type":"x","order":1,"pct":50,"resources":[]},{"id":504,"title":"Automated fixes break production environments.","votes":1,"type":"x","order":2,"pct":50,"resources":[]},{"id":505,"title":"Manual approvals cannot keep pace.","votes":0,"type":"x","order":3,"pct":0,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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