21 matches found
Linux Distros Unpatched Vulnerability : CVE-2026-50248
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, when an auth/rpz zone has a configured primary hostname that resolves to BOGUS A/AAAA, it is still...
Linux Distros Unpatched Vulnerability : CVE-2026-50045
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, a single client query for a deeply nested name under a DNSSEC-signed parent can cause Unbound to send...
CVE-2026-55708
In NLnet Labs Unbound 1.6.0 up to and including 1.25.1, the 'viewlocaldata' and 'viewlocaldatas' commands of 'unbound-control' create a bare local zones tree for an already configured named view when the view is configured with no local data to begin with. However, the creation through the contro...
UBUNTU-CVE-2026-55717
In NLnet Labs Unbound 1.10.0 up to and including 1.25.1, when 'serve-expired: yes' is set together with a 'response-ip: redirect' /'response-ip-data: CNAME ' rule or the RPZ 'rpz-cname-override' equivalent, a remote client who controls any delegated domain can crash the daemon. The...
UBUNTU-CVE-2026-46582
In NLnet Labs Unbound 1.6.0 up to and including 1.25.1, a replay of a wildcard rrset as another piece of data, could be briefly considered DNSSEC secure based only on the RRSIG validation and stored into cache, before later validation treats it as bogus based on NSEC validation. When the resolvin...
EUVD-2026-47685
In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout discard-timeout 0' contrary to the suggested values, the discard-timeout branch during the serve expired logic drops an aged client reply without...
CVE-2026-56444
In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout discard-timeout 0' contrary to the suggested values, the discard-timeout branch during the serve expired logic drops an aged client reply without...
CVE-2026-55990
In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, when the 'dnscrypt:' clause lists more 'dnscrypt-provider-cert:' files than there are matching 'dnscrypt-secret-key:' files, Unbound fills only the matched prefix and leaves the tail slots at the '0xdb' fill that libsodium's allocator writes...
CVE-2026-55717
In NLnet Labs Unbound 1.10.0 up to and including 1.25.1, when 'serve-expired: yes' is set together with a 'response-ip: redirect' /'response-ip-data: CNAME ' rule or the RPZ 'rpz-cname-override' equivalent, a remote client who controls any delegated domain can crash the daemon. The...
CVE-2026-50045 'max-global-quota' reset by DNSSEC validation restarts
In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, a single client query for a deeply nested name under a DNSSEC-signed parent can cause Unbound to send more upstream packets per client query than the configured 'max-global-quota'. This effectively bypasses a security configuration that...
EUVD-2026-47665
In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC DoQ queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This results in degradation of resolution service f...
CVE-2026-14586
In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, in DNS-over-QUIC environments, with high concurrency and under pressure, an assertion in libngtcp2 about monotonic timestamps could trigger and result in server termination and thus denial of service. When interfacing with libngtcp2, for...
PT-2026-63370
Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.22.0 through 1.25.1 Description A memory-accounting bypass exists in the downstream DNS-over-QUIC DoQ implementation. When DoQ is enabled, the first two bidirectional streams on a new QUIC connection stream id 0 a...
CVE-2026-44608 affecting package unbound for versions less than 1.25.1-1
CVE-2026-44608 affecting package unbound for versions less than 1.25.1-1. An upgraded version of the package is available that resolves this issue...
CVE-2026-33278
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 can exploit the...
NLnet Labs Unbound 安全漏洞
NLnet Labs Unbound is a high-performance DNS resolver open-sourced by NLnet Labs. Versions of NLnet Labs Unbound from 1.14.0 to 1.25.0 contain security vulnerabilities. These vulnerabilities stem from inconsistent locking mechanisms, and under certain conditions, they may lead to heap reclamation...
Linux Distros Unpatched Vulnerability : CVE-2026-42923
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the DNSSEC validator where the code path to consult the negative cache for DS recor...
Huawei EulerOS: Security Advisory for unbound (EulerOS-SA-2026-1149)
The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...
EulerOS 2.0 SP12 : unbound (EulerOS-SA-2026-1100)
According to the versions of the unbound packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : NLnet Labs Unbound up to and including version 1.24.1 is vulnerable to possible domain hijack attacks. Promiscuous NS RRSets that complement...