39 matches found
CVE-2026-12245 Denial of DNS over TLS service by any DoT client
NSD from version 4.13.0 has a heap use-after-free bug in logging errors on TLS connections, causing a crash of the server process, which can be triggered trivially by sending a DNS query over a DoT connection, and closing the connection without reading the response...
CVE-2026-12245
NSD from version 4.13.0 has a heap use-after-free bug in logging errors on TLS connections, causing a crash of the server process, which can be triggered trivially by sending a DNS query over a DoT connection, and closing the connection without reading the response...
CVE-2026-12244
NSD (the DNS server) is affected when configured as a secondary for a zone. A primary can crash NSD by sending an AXFR containing a DNS message with a specially crafted SVCB RR whose rdata size is 65512, which causes an (uint16_t) length to overflow while allocating space for the RR wrap (total s...
CVE-2026-12244
If NSD is configured as secondary for a zone, the primary of that zone can crash NSD with an AXFR containing a DNS message with a special crafted SVCB RR with an rdata size of 65512, that let's an uint16t variable that is used to allocate space needed for the RR wrap because total size 65535,...
CVE-2026-12244 Heap overflow and crash with crafted SVCB RR
If NSD is configured as secondary for a zone, the primary of that zone can crash NSD with an AXFR containing a DNS message with a special crafted SVCB RR with an rdata size of 65512, that let's an uint16t variable that is used to allocate space needed for the RR wrap because total size 65535,...
CVE-2026-12244
If NSD is configured as secondary for a zone, the primary of that zone can crash NSD with an AXFR containing a DNS message with a special crafted SVCB RR with an rdata size of 65512, that let's an uint16t variable that is used to allocate space needed for the RR wrap because total size 65535,...
CVE-2026-12245
NSD from version 4.13.0 has a heap use-after-free bug in logging errors on TLS connections, causing a crash of the server process, which can be triggered trivially by sending a DNS query over a DoT connection, and closing the connection without reading the response...
CVE-2026-12246
NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the address family will overwrite the stack when the zone is written to disk, with a maximum of 111 attacker controlled bytes...
CVE-2026-12244
If NSD is configured as secondary for a zone, the primary of that zone can crash NSD with an AXFR containing a DNS message with a special crafted SVCB RR with an rdata size of 65512, that let's an uint16t variable that is used to allocate space needed for the RR wrap because total size 65535,...
NSD Unbound DNS Symbolic Link DoS
The vulnerability of NSD and Unbound DNS servers is related to the incorrect handling of symbolic links before accessing a file. Exploiting this vulnerability allows an attacker to cause service failures...
Local symlink attack in Unbound and NSD
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Unbound Backlink Vulnerability
Unbound is a DNS resolver from the NLnet Labs Nlnet Labs Foundation in the Netherlands that supports verified recursion and caching. A security vulnerability exists in NLnet Labs Unbound version 1.12.0 and earlier and NLnet Labs NSD version 4.3.3 and earlier that allows a local symbolic link...
FreeBSD Denial of Service Vulnerability (CNVD-2019-40092)
FreeBSD is a set of Unix-like operating systems from the FreeBSD Foundation.NSD is one of the name server daemons. A denial of service vulnerability exists in FreeBSD NSD versions prior to 3.2.13, which can be exploited by remote attackers to cause a denial of service crash...
DEBIAN-CVE-2016-6173
NSD before 4.1.11 allows remote DNS master servers to cause a denial of service /tmp disk consumption and slave server crash via a zone transfer with unlimited data...
NSD (Name Server Daemon) < 4.1.11 AXFR Response DoS Vulnerability
NSD Name Server Daemon is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2016 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 CPE =...
NSD (Name Server Daemon) 'packet.c' Off-By-One Buffer Overflow Vulnerability
NSD Name Server Daemon is prone to an off-by-one buffer overflow vulnerability because the server fails to perform adequate boundary checks on user-supplied data. SPDX-FileCopyrightText: 2009 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by...
Name Server Daemon (NSD) Detection (DNS)
DNS TCP and UDP based detection of the Name Server Daemon NSD. SPDX-FileCopyrightText: 2009 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...
NSD version Directive Remote Version Disclosure
The remote host is running Name Server Daemon NSD, an open source DNS server. It is possible to extract the version number of the remote installation by sending a special DNS request for the text 'version.bind' in the domain 'chaos'. C Tenable Network Security, Inc. include"compat.inc"; if...
