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...

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...

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...

Security Bulletin: Multiple vulnerabilities impact AIX/VIOS due to ISC BIND (CVE-2025-40778, CVE-2025-40780, CVE-2025-8677)

Summary Vulnerabilities in ISC BIND could allow an attacker to inject forged data into the cache CVE-2025-40778, predict the source port and query ID that BIND will use CVE-2025-40780, or cause CPU exhaustion CVE-2025-8677. AIX uses ISC BIND as as part of its DNS functions. Vulnerability Details...

Advisory ROSA-SA-2026-3203

Software: unbound 1.16.2 OS: ROSA Virtualization 2.1 unaffected versions = unbound-1.16.2-5.9.rv3 affected versions unbound-1.16.2-5.9.rv3 CVE-ID: CVE-2025-5994 BDU-ID: 2025-12600 CVE-Crit: HIGH CVE-DESC.: A vulnerability in the Unbound DNS server is related to the loading of external unreliable...

PT-2026-8231

CVE-2026-26255 - Windows DNS Server Authentication Bypass CVE ID : CVE-2026-26255 Published : Feb. 13, 2026, 4:15 a.m. | 3 hours, 16 minutes ago Description : Rejected reason: Not used Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...

[SECURITY] Fedora 42 Update: bind-dyndb-ldap-11.11-9.fc42

This package provides an LDAP back-end plug-in for BIND. It features support for dynamic updates and internal caching, to lift the load off of your LDAP server...