SUSE-SU-2026:1209-1 Security update for bind

This update for bind fixes the following issues: - CVE-2026-1519: high CPU load during insecure delegation validation due to excessive NSEC3 iterations bsc1260805...

Fedora 42 : bind9-next (2026-bcc66a29da)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-bcc66a29da advisory. Update to 9.21.20 rhbz2440560 Security Fixes: - Fix unbounded NSEC3 iterations when validating referrals to unsigned delegations. CVE-2026-1519 - Fi...

Fedora 44 : bind / bind-dyndb-ldap (2026-19d899e92d)

The remote Fedora 44 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2026-19d899e92d advisory. Update to 9.18.47 rhbz2440561 Security Fixes: - Fix unbounded NSEC3 iterations when validating referrals to unsigned delegations. CVE-2026-1519 Source:...

Fedora 43 : bind / bind-dyndb-ldap (2026-b2ec0d8a47)

The remote Fedora 43 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2026-b2ec0d8a47 advisory. Update to 9.18.47 rhbz2440561 Security Fixes: - Fix unbounded NSEC3 iterations when validating referrals to unsigned delegations. CVE-2026-1519 Source:...

USN-8124-1 bind9 vulnerabilities

Samy Medjahed discovered that Bind incorrectly handled insecure delegation validation. A remote attacker could possibly use this issue to cause excessive NSEC3 iterations, consuming CPU resources, and leading to a denial of service. CVE-2026-1519 Vitaly Simonovich discovered that Bind incorrectly...

CVE-2026-1519 Excessive NSEC3 iterations cause high CPU load during insecure delegation validation

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 see:...

CVE-2026-1519 Excessive NSEC3 iterations cause high CPU load during insecure delegation validation

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 see:...

CVE-2026-1519

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 see:...

SUSE SLED15 / SLES15 Security Update : bind (SUSE-SU-2026:0348-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:0348-1 advisory. Upgrade to release 9.20.18: - CVE-2025-13878: Fixed incorrect length checks for BRID and HHIT records bsc1256997 Featur...

Fedora 43 : bind / bind-dyndb-ldap (2026-567ff6c687)

The remote Fedora 43 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2026-567ff6c687 advisory. Update to 9.18.44 rhbz2431609 Security Fixes: - Fix incorrect length checks for BRID and HHIT records. CVE-2025-13878 Bug Fixes: - Allow glue in delegations...

SUSE-SU-2026:20135-1 Security update for bind

This update for bind fixes the following issues: Upgrade to release 9.20.18: - CVE-2025-13878: Fixed incorrect length checks for BRID and HHIT records bsc1256997 Feature Changes: Add more information to the rndc recursing output about fetches. Reduce the number of outgoing queries. Provide more...

MiracleLinux 8 : unbound-1.16.2-5.el8_9.2 (AXSA:2024-7555:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7555:01 advisory. bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator CVE-2023-50387 bind9: Preparing an NSEC3 closest encloser proof can exhaust CPU resourc...

MiracleLinux 9 : dnsmasq-2.85-14.el9_3.1 (AXSA:2024-7618:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7618:01 advisory. dnsmasq: bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator CVE-2023-50387 dnsmasq: bind9: Preparing an NSEC3 closest encloser proof can...

MiracleLinux 4 : bind-9.8.2-0.23.rc1.AXS4.1.0.1 (AXSA:2014-072:01)

"The remote MiracleLinux 4 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2014-072:01 advisory. 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 ...

EUVD-2021-27273

Malware in sbrugna...

EUVD-2011-4786

Malware in sbrugna...

EUVD-2009-3583

Malware in sbrugna...

Amazon Linux 2 : unbound (ALASUNBOUND-1.17-2025-004)

The version of unbound installed on the remote host is prior to 1.17.0-2. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2UNBOUND-1.17-2025-004 advisory. Certain DNSSEC aspects of the DNS protocol in RFC 4035 and related RFCs allow remote attackers to cause a deni...

Linux Distros Unpatched Vulnerability : CVE-2023-50868

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The Closest Encloser Proof aspect of the DNS protocol in RFC 5155 when RFC 9276 guidance is skipped allows remote attackers to cause a denial of service CPU...

DNSSEC NSEC. The accidental treasure map to your subdomains

TL;DR: DNSSEC secures DNS but may unintentionally expose domain structures via NSEC/NSEC3 records, enabling zone walking to enumerate subdomains. NSEC openly lists domain names, making enumeration easy. NSEC3 hashes names, making enumeration harder, but attackers can still crack weak...