The vulnerability of the PowerDNS DNS server, related to the unlimited distribution of resources, allows a hacker to cause a service failure.

The vulnerability of the PowerDNS server is related to the unlimited distribution of resources. Exploiting this vulnerability could allow a malicious actor to cause service failures...

NGINX: NGINX Plus: NGINX Open Source: NGINX Plus and NGINX Open Source: Request manipulation via header injection in SMTP upstream requests

A flaw was found in NGINX Plus and NGINX Open Source, specifically within the ngxmailsmtpmodule. This vulnerability allows an attacker-controlled DNS Domain Name System server to inject arbitrary headers into SMTP Simple Mail Transfer Protocol upstream requests. This is due to the improper handli...

ALSA-2026:7915 Important: bind9.18 security update

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 to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

CVE-2025-71058

Dual DHCP DNS Server 8.01 improperly accepts and caches UDP DNS responses without validating that the response originates from a legitimate configured upstream DNS server. The implementation matches responses primarily by TXID and inserts results into the cache, enabling a remote attacker to inje...

CVE-2026-35406

Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1...

CVE-2025-71058

Dual DHCP DNS Server 8.01 improperly accepts and caches UDP DNS responses without validating that the response originates from a legitimate configured upstream DNS server. The implementation matches responses primarily by TXID and inserts results into the cache, enabling a remote attacker to inje...

CVE-2025-71058: Improper Control of Generation of Code

Dual DHCP DNS Server 8.01 improperly accepts and caches UDP DNS responses without validating that the response originates from a legitimate configured upstream DNS server. The implementation matches responses primarily by TXID and inserts results into the cache, enabling a remote attacker to inje...

Fedora 43 : bind9-next (2026-a6efefa854)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a6efefa854 advisory. Update to 9.21.20 rhbz2440560 Security Fixes: - Fix unbounded NSEC3 iterations when validating referrals to unsigned delegations. CVE-2026-1519 - Fi...

[SECURITY] [DSA 6181-1] bind9 security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6181-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso March 27, 2026 https://www.debian.org/security/faq -...

CVE-2026-28519

arduino-TuyaOpen before version 1.2.1 contains a heap-based buffer overflow vulnerability in the DnsServer component. An attacker on the same local area network who controls the LAN DNS server can send malicious DNS responses to overflow the heap buffer, potentially allowing execution of arbitrar...

CVE-2026-3119

A flaw was found in BIND, specifically within the named daemon. An authenticated remote attacker, possessing a valid Transaction Signature TSIG key configured on the server, could send a specially crafted query containing a TKEY record. This action may cause the named daemon to crash, leading to ...

CVE-2026-3591

A use-after-return vulnerability exists in the named server when handling DNS queries signed with SIG0. Using a specially-crafted DNS request, an attacker may be able to cause an ACL to improperly mismatch an IP address. In a default-allow ACL denying only specific IP addresses, this may lead to...

CVE-2026-3591

CVE-2026-3591 - Summary A stack use-after-return vulnerability exists in the BIND 9 named server’s SIG(0) handling. A specially crafted DNS request can cause the ACL to mis-match an IP address, potentially bypassing access controls in default-allow ACLs (where all non-denied IPs are allowed). The...

CVE-2026-28753

NGINX Plus and NGINX Open Source have a vulnerability in the ngxmailsmtpmodule module due to the improper handling of CRLF sequences in DNS responses. This allows an attacker-controlled DNS server to inject arbitrary headers into SMTP upstream requests, leading to potential request manipulation...

CVE-2026-28519

arduino-TuyaOpen before version 1.2.1 contains a heap-based buffer overflow vulnerability in the DnsServer component. An attacker on the same local area network who controls the LAN DNS server can send malicious DNS responses to overflow the heap buffer, potentially allowing execution of arbitrar...

CVE-2026-28519: Heap-based Buffer Overflow

arduino-TuyaOpen before version 1.2.1 contains a heap-based buffer overflow vulnerability in the DnsServer component. An attacker on the same local area network who controls the LAN DNS server can send malicious DNS responses to overflow the heap buffer, potentially allowing execution of arbitrar...

arduino-TuyaOpen 安全漏洞

Arduino-TuyaOpen is an IoT development framework based on Arduino, open-sourced by Tuya. Versions of Arduino-TuyaOpen prior to 1.2.1 contained security vulnerabilities. These vulnerabilities stemmed from a heap-based buffer overflow in the DnsServer component, which could allow for the execution ...

EUVD-2026-10043

CoreDNS Loop Detection Denial of Service Vulnerability...

CVE-2026-27831

rldns is an open source DNS server. Version 1.3 has a heap-based out-of-bounds read that leads to denial of service. Version 1.4 contains a patch for the issue...

rldns 缓冲区错误漏洞

rldns is a DNS server developed by BlueDragonSecurity’s individual developers. Version 1.3 of rldns contains a buffer error vulnerability; this vulnerability stems from heap out-of-bounds reading, which may lead to a denial-of-service attack...