SUSE CVE-2026-47691

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attacker controlling an authoritative name...

CVE-2026-47691

A flaw was found in Netty's DnsResolveContext. An attacker controlling an authoritative name server for a subdomain can exploit this vulnerability by providing crafted NS records that are insufficiently validated. This allows the attacker to poison the DNS cache for parent domains, bypassing...

CVE-2026-47691

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attacker controlling an authoritative name...

UBUNTU-CVE-2026-47691

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attacker controlling an authoritative name...

CVE-2026-47691 Netty has Insufficient Bailiwick Validation for NS Records

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attacker controlling an authoritative name...

GHSA-5PVG-856G-CP85 Netty has Insufficient Bailiwick Validation for NS Records

Summary Netty's DnsResolveContext insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attacker controlling an authoritative name server for a subdomain can poison the cache for parent domains like .co.uk. Details In...

[SECURITY] Fedora 43 Update: pdns-5.0.4-1.fc43

The PowerDNS Nameserver is a modern, advanced and high performance authoritative-only name server. It is written from scratch and conforms to all relevant DNS standards documents. Furthermore, PowerDNS interfaces with almost any database...

[SECURITY] Fedora 42 Update: pdns-5.0.4-1.fc42

The PowerDNS Nameserver is a modern, advanced and high performance authoritative-only name server. It is written from scratch and conforms to all relevant DNS standards documents. Furthermore, PowerDNS interfaces with almost any database...

DNS Resolution fails due to Negative Caching

Steps to reproduce this issue: 1. Administrator added an authoritative name server A on Netscaler to resolveStoreFront LB's VIP. 2. Becasue name server A didn't have address record for Storefront LB fqdn, so DNS resolution failed. 3. Then administrator changed to another authoritative name...

EulerOS Virtualization for ARM 64 3.0.2.0 : unbound (EulerOS-SA-2020-1971)

According to the versions of the unbound package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - A flaw was found in unbound in versions prior to 1.10.1. An infinite loop can be created when malformed DNS answers ar...

unbound: amplification of an incoming query into a large number of queries directed to a target

A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...

unbound: amplification of an incoming query into a large number of queries directed to a target

A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...

Updated pdns-recursor packages fix security vulnerabilities

Updated pdns-recursor packages fix security vulnerabilities: An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted reply by an authoritative name server to amplify the...

CVE-2020-12662

A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...

ALPINE-CVE-2017-3143

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 for the zone and service being targeted may be able to manipulate BIND into accepting an unauthorized dynamic update. Affects BIND 9.4.0-9.8.8, 9.9.0-9.9.10-P1,...