CVE-2026-12244

A flaw was found in nsd. When nsd is configured as a secondary server for a zone, a remote attacker, acting as the primary server for that zone, can send a specially crafted DNS message within an AXFR Asynchronous Full Zone Transfer request. This message, containing a malformed SVCB Service Bindi...

Linux Distros Unpatched Vulnerability : CVE-2026-12244

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 a...

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

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,...

PT-2026-52209

Name of the Vulnerable Software and Affected Versions NSD affected versions not specified Description A heap overflow occurs when NSD is configured as a secondary for a zone. A primary server can crash the system by sending an AXFR containing a DNS message with a specially crafted SVCB RR Resourc...

UBUNTU-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,...

FreeBSD : PowerDNS -- Multiple vulnerabilities (0823ac26-6040-11f1-ba4a-50ebf6bdf8e9)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 0823ac26-6040-11f1-ba4a-50ebf6bdf8e9 advisory. PowerDNS Team reports: 2025-07: Internal logic flaw in cache management can lead to a denial o...

EUVD-2016-7104

Malware in sbrugna...

EUVD-2017-12283

Malware in sbrugna...

EUVD-2016-7106

Malware in sbrugna...

EUVD-2000-1016

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2017-3142

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name may be able to circumvent TSI...

FreeBSD : dnsdist -- Transfer requests received over DoH can lead to a denial of service (f2d8342f-1134-11ef-8791-6805ca2fa271)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the f2d8342f-1134-11ef-8791-6805ca2fa271 advisory. - When incoming DNS over HTTPS support is enabled using the nghttp2 provider, and queries are routed to...

CVE-2024-25581

When incoming DNS over HTTPS support is enabled using the nghttp2 provider, and queries are routed to a tcp-only or DNS over TLS backend, an attacker can trigger an assertion failure in DNSdist by sending a request for a zone transfer AXFR or IXFR over DNS over HTTPS, causing the process to stop...

CVE-2024-25581 Transfer requests received over DoH can lead to a denial of service in DNSdist

When incoming DNS over HTTPS support is enabled using the nghttp2 provider, and queries are routed to a tcp-only or DNS over TLS backend, an attacker can trigger an assertion failure in DNSdist by sending a request for a zone transfer AXFR or IXFR over DNS over HTTPS, causing the process to stop...

CVE-2024-25581

DNSDIST vulnerability CVE-2024-25581: When DNS over HTTPS is enabled (nghttp2 provider) and queries are routed to a tcp-only or DoT backend, an attacker can trigger an assertion failure by requesting a zone transfer (AXFR/IXFR) over DoH, causing the process to crash and a DoS. DoH is not enabled ...

CVE-2024-25581

When incoming DNS over HTTPS support is enabled using the nghttp2 provider, and queries are routed to a tcp-only or DNS over TLS backend, an attacker can trigger an assertion failure in DNSdist by sending a request for a zone transfer AXFR or IXFR over DNS over HTTPS, causing the process to stop...

dnsdist -- Transfer requests received over DoH can lead to a denial of service

PowerDNS Security Advisory reports: When incoming DNS over HTTPS support is enabled using the nghttp2 provider, and queries are routed to a tcp-only or DNS over TLS backend, an attacker can trigger an assertion failure in DNSdist by sending a request for a zone transfer AXFR or IXFR over DNS over...

K59448931: BIND vulnerability CVE-2017-3142

Security Advisory Description An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name may be able to circumvent TSIG authentication of AXFR requests via a carefully constructed request packet. A server that relies solely o...