Linux Distros Unpatched Vulnerability : CVE-2026-11331

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 knows or guesses that a resolver uses RPZ with wildcard CNAME policies can craft query names long enough to trigger a NAMETOOLONG error conditio...

CVE-2026-54478

In NLnet Labs Unbound 1.18.0 up to and including 1.25.1, when Unbound listens on a 'proxy-protocol-port' interface with 'answer-cookie: yes', the RFC 9018 server-cookie SipHash is computed over the proxy's wire address instead of the PROXYv2-declared client. One server cookie obtained through a...

CVE-2026-50252

In NLnet Labs Unbound 1.4.22 up to and including 1.25.1, UDP source port is randomized and intended to serve as a secret value that increases the entropy of DNS transactions. When resolver load balancing policies depend on the source port while their outcome is revealed this secrecy is undermined...

PT-2026-63412

Name of the Vulnerable Software and Affected Versions BIND 9 versions 9.18.0 through 9.18.50 BIND 9 versions 9.20.0 through 9.20.24 BIND 9 versions 9.21.0 through 9.21.23 BIND 9 versions 9.11.3-S1 through 9.18.50-S1 BIND 9 versions 9.20.9-S1 through 9.20.24-S1 Description BIND may accept incorrec...

CVE-2026-50426

Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network...

CVE-2026-50426

CVE-2026-50426 : Windows DNS Server contains a relative path traversal vulnerability that could allow an authorized attacker on an adjacent network to execute code. Root cause is traversal of relative paths in DNS Server handling, enabling remote code execution. Reported impact is arbitrary code ...

CVE-2026-50426 Windows DNS Server Remote Code Execution Vulnerability

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CVE-2026-49169 Windows DNS Server Remote Code Execution Vulnerability

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Windows DNS Server Remote Code Execution Vulnerability

Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network...

OESA-2026-2964 dnsmasq security update

Dnsmasq provides network infrastructure for small networks: DNS, DHCP, router advertisement and network boot. It is designed to be lightweight and have a small footprint, suitable for resource constrained routers and firewalls. It has also been widely used for tethering on smartphones and portabl...

[SECURITY] Fedora 43 Update: pdns-recursor-5.2.11-1.fc43

PowerDNS Recursor is a non authoritative/recursing DNS server. Use this package if you need a dns cache for your network...

[SECURITY] Fedora 44 Update: pdns-recursor-5.4.3-1.fc44

PowerDNS Recursor is a non authoritative/recursing DNS server. Use this package if you need a dns cache for your network...

CVE-2026-36478

An issue in Technitium DNS Server v.14.3 and before allows a remote attacker to cause a denial of service via the DnsServerApp.exe, DnsServerApp.dll, TechnitiumLibrary.Net/Dns/DnsClient.cs components...

CVE-2026-36478

An issue in Technitium DNS Server v.14.3 and before allows a remote attacker to cause a denial of service via the DnsServerApp.exe, DnsServerApp.dll, TechnitiumLibrary.Net/Dns/DnsClient.cs components...

CVE-2026-36478

Technical details for CVE-2026-36478 are not publicly available in the provided documents. The reports describe a DoS condition in Technitium DNS Server v14.3 and earlier but do not disclose root cause, vulnerable components beyond file names. Monitor for updates.

PT-2026-52211

Name of the Vulnerable Software and Affected Versions NSD version 4.14.0 Description A memory corruption flaw exists when handling APL Address Prefix List resource records during the process of serializing or writing a zone to disk. The issue stems from improper input validation and bounds checki...

[SECURITY] Fedora 44 Update: bind9-next-9.21.22-2.fc44

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 ...

RHEL 10 : bind (RHSA-2026:24338)

"The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24338 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named...

CVE-2026-0264

A buffer overflow vulnerability in the DNS proxy and DNS Server features of Palo Alto Networks PAN-OS® Software allows an unauthenticated attacker with network access to cause a denial of service DoS condition all PAN-OS platforms except Cloud NGFW and Prisma Access or potentially execute arbitra...

SUSE CVE-2026-5947

Undefined behavior may result due to a race condition leading to a use-after-free violation. If BIND receives an incoming DNS message signed with SIG0, it begins work to validate that signature. If, during that validation, the "recursive-clients" limit is reached as would occur during a query...