CVE-2026-50243

In NLnet Labs Unbound 1.6.2 up to and including 1.25.1, when Unbound is configured with the 'respip' module in front of the validator together with a 'response-ip' redirect rule or an RPZ file with an RPZ-IP trigger, the rewriting handler does not check the security status of the upstream answer...

CVE-2026-50248

CVE-2026-50248 affects NLnet Labs Unbound 1.7.0 through 1.25.1. When an auth/rpz zone has a configured primary hostname that resolves to a bogus A/AAAA, it can still be treated as a possible XFR endpoint. A malicious actor who can spoof the hostname’s A/AAAA (no valid RRSIG required) may become t...

CVE-2026-50243

In NLnet Labs Unbound 1.6.2 up to and including 1.25.1, when Unbound is configured with the 'respip' module in front of the validator together with a 'response-ip' redirect rule or an RPZ file with an RPZ-IP trigger, the rewriting handler does not check the security status of the upstream answer...

CVE-2026-50243

CVE-2026-50243 affects NLnet Labs Unbound 1.6.2 up to 1.25.1. When the respip module is placed in front of the validator and used with a response-ip redirect or RPZ-IP trigger, the rewriting handler does not check the upstream answer’s security status and can rewrite a BOGUS A/AAAA reply to an op...

CVE-2003-1132

The DNS server for Cisco Content Service Switch CSS 11000 and 11500, when prompted for a nonexistent AAAA record, responds with response code 3 NXDOMAIN or "Name Error" instead of response code 0 "No Error", which allows remote attackers to cause a denial of service inaccessible domain by forcing...

EUVD-2012-5572

Malware in sbrugna...

SUSE CVE-2015-8899

Dnsmasq before 2.76 allows remote servers to cause a denial of service crash via a reply with an empty DNS address that has an 1 A or 2 AAAA record defined locally...

SUSE CVE-2018-20102

An out-of-bounds read in dnsvalidatednsresponse in dns.c was discovered in HAProxy through 1.8.14. Due to a missing check when validating DNS responses, remote attackers might be able read the 16 bytes corresponding to an AAAA record from the non-initialized part of the buffer, possibly accessing...

ISC BIND DoS Vulnerability (CVE-2012-5689) - Linux

ISC BIND is prone to a denial of service DoS vulnerability. Copyright C 2023 Greenbone Networks GmbH 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-or-later This program is free software; y...

CVE-2018-20102

An out-of-bounds read in dnsvalidatednsresponse in dns.c was discovered in HAProxy through 1.8.14. Due to a missing check when validating DNS responses, remote attackers might be able read the 16 bytes corresponding to an AAAA record from the non-initialized part of the buffer, possibly accessing...

EulerOS Virtualization for ARM 64 3.0.3.0 : haproxy (EulerOS-SA-2019-2329)

According to the versions of the haproxy package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - An out-of-bounds read in dnsvalidatednsresponse in dns.c was discovered in HAProxy through 1.8.14. Due to a missing...

mDNS Spoofer

This module will listen for mDNS multicast requests on 5353/udp for A and AAAA record queries, and respond with a spoofed IP address assuming the request matches our regex. This module requires Metasploit: https://metasploit.com/download Current source:...

Design/Logic Flaw

Dnsmasq before 2.76 allows remote servers to cause a denial of service crash via a reply with an empty DNS address that has an 1 A or 2 AAAA record defined locally...

dnsmasq -- denial of service

reports: Dnsmasq before 2.76 allows remote servers to cause a denial of service crash via a reply with an empty DNS address that has an 1 A or 2 AAAA record defined locally...

CVE-2015-8899

Dnsmasq before 2.76 allows remote servers to cause a denial of service crash via a reply with an empty DNS address that has an 1 A or 2 AAAA record defined locally...

UBUNTU-CVE-2015-8899

Dnsmasq before 2.76 allows remote servers to cause a denial of service crash via a reply with an empty DNS address that has an 1 A or 2 AAAA record defined locally...

IPv6 DNS Guessing Notes

A hostname with an IPv6 address is stored as a AAAA resource record in DNS see AAAA record. There are many DNS hostname bruteforcing tools, personally I like Fierce. Suppose we have already run our hostname bruteforcing tool against a target domain e.g. facebook.com. Below we use dig to do a AAAA...

CVE-2012-5689

ISC BIND 9.8.x through 9.8.4-P1 and 9.9.x through 9.9.2-P1, in certain configurations involving DNS64 with a Response Policy Zone that lacks an AAAA rewrite rule, allows remote attackers to cause a denial of service assertion failure and named daemon exit via a query for an AAAA record...

DEBIAN-CVE-2012-5689

ISC BIND 9.8.x through 9.8.4-P1 and 9.9.x through 9.9.2-P1, in certain configurations involving DNS64 with a Response Policy Zone that lacks an AAAA rewrite rule, allows remote attackers to cause a denial of service assertion failure and named daemon exit via a query for an AAAA record...

CVE-2012-5689

The CVE-2012-5689 issue affects ISC BIND 9.8.x–9.9.2-P1 when DNS64 with RPZ is used without an AAAA rewrite rule, allowing remote attackers to cause a DoS via an AAAA query (assertion failure and named exit). Affected configurations point to DNS64 + RPZ Rewriting; mitigation in practice is to ens...