unbound security update

An update is available for unbound. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The unbound packages provide a validating, recursive, and caching DNS or DNSS...

Important: Red Hat Security Advisory: bind9.16 security update

An update for bind9.16 is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

RHEL 9 : bind (RHSA-2026:25214)

"The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:25214 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named %NASLMINLEVEL...

RockyLinux 9 : unbound (RLSA-2026:24369)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:24369 advisory. unbound: Heap overflow and crash with multiple nsid, cookie, padding EDNS options CVE-2026-42944 unbound: Unbound DNSSEC Validator Denial of Service via...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : systemd vulnerabilities (USN-8402-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8402-1 advisory. It was discovered that systemd-nspawn incorrectly handled certain optional configuration files. A local attacker could possibly use...

RockyLinux 8 : unbound (RLSA-2026:24365)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:24365 advisory. unbound: Heap overflow and crash with multiple nsid, cookie, padding EDNS options CVE-2026-42944 unbound: Unbound DNSSEC Validator Denial of Service via...

RHEL 9 : bind9.18 (RHSA-2026:24934)

"The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:24934 advisory. BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves...

Debian dla-4625 : dnsmasq - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4625 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4625-1 [email protected]...

bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone

A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service DoS for legitimate users...

Important: Red Hat Security Advisory: bind9.16 security update

An update for bind9.16 is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

[SECURITY] [DLA 4625-1] dnsmasq security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4625-1 [email protected] https://www.debian.org/lts/security/ Arnaud Rebillout June 10, 2026 https://wiki.debian.org/LTS -...

EulerOS 2.0 SP13 : bind (EulerOS-SA-2026-2322)

According to the versions of the bind packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU...

MiracleLinux 8 : unbound-1.16.2-5.11.el8_10 (AXSA:2026-768:04)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-768:04 advisory. unbound: Heap overflow and crash with multiple nsid, cookie, padding EDNS options CVE-2026-42944 unbound: Unbound DNSSEC Validator Denial of Service...

FreeBSD -- Multiple vulnerabilities in unbound

Problem Description: Multiple vulnerabilities have been reported in Unbound. Instead of listing detailed writeups for each issue, please see the upstream advisories referenced below. CVE-2026-32792: Packet of death with DNSCrypt CVE-2026-33278: Possible remote code execution during DNSSEC...

Important: Red Hat Security Advisory: bind security update

An update for bind is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

USN-8402-1 systemd vulnerabilities

It was discovered that systemd-nspawn incorrectly handled certain optional configuration files. A local attacker could possibly use this issue to escape to the host system and execute arbitrary code. CVE-2026-40226 It was discovered that systemd-resolved incorrectly validated DNSSEC records for...

Important: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Amazon Linux 2 : unbound, --advisory ALAS2-2026-3322 (ALAS-2026-3322)

The version of unbound installed on the remote host is prior to 1.7.3-15. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3322 advisory. NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables...

Important: unbound

Issue Overview: NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary c...

ALSA-2026:24365 Important: unbound security update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: Heap overflow and crash with multiple nsid, cookie, padding EDNS options CVE-2026-42944 unbound: Unbound DNSSEC Validator Denial of Service via Incorrect Write Offset Counter in...