CVE-2026-33595

The connected documents independently confirm CVE-2026-33595 affects PowerDNS DNSdist, describing a flaw where a client can trigger excessive memory allocation by generating many error responses over a single DoQ/DoH3 connection, with resources not released until connection end. This is the state...

CVE-2026-33596 TCP backend stream ID overflow

A client might theoretically be able to cause a mismatch between queries sent to a backend and the received responses by sending a flood of perfectly timed queries that are routed to a TCP-only or DNS over TLS backend...

CVE-2026-33254

An attacker can create a large number of concurrent DoQ or DoH3 connections, causing unlimited memory allocation in DNSdist and leading to a denial of service. DOQ and DoH3 are disabled by default...

CVE-2026-33254 Resource exhaustion via DoQ/DoH3 connections

An attacker can create a large number of concurrent DoQ or DoH3 connections, causing unlimited memory allocation in DNSdist and leading to a denial of service. DOQ and DoH3 are disabled by default...

CVE-2026-33254 Resource exhaustion via DoQ/DoH3 connections

An attacker can create a large number of concurrent DoQ or DoH3 connections, causing unlimited memory allocation in DNSdist and leading to a denial of service. DOQ and DoH3 are disabled by default...

CVE-2026-33254

CVE-2026-33254 affects PowerDNS DNSdist. An attacker can open a large number of concurrent DoQ/DoH3 connections, causing unbounded memory allocation and denial of service. DoQ/DoH3 are disabled by default, which mitigates impact per the sources; no patch/version details are provided in the docume...

CVE-2026-33254 Resource exhaustion via DoQ/DoH3 connections

An attacker can create a large number of concurrent DoQ or DoH3 connections, causing unlimited memory allocation in DNSdist and leading to a denial of service. DOQ and DoH3 are disabled by default...

CVE-2026-33254

An attacker can create a large number of concurrent DoQ or DoH3 connections, causing unlimited memory allocation in DNSdist and leading to a denial of service. DOQ and DoH3 are disabled by default...

OPENSUSE-SU-2026:20607-1 Security update for erlang

This update for erlang fixes the following issues: Security issues fixed: - CVE-2026-21620: improper isolation and compartmentalization can lead to TFTP relative path traversal and remote arbitrary reads/writes bsc1258663. - CVE-2026-23941: improper handling of duplicate Content-Length headers in...

CVE-2026-33261

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service...

UBUNTU-CVE-2026-33600

An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service...

CVE-2026-33258 Crafted zones can cause increased resource usage

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

SUSE CVE-2026-6777

Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

CVE-2026-6777

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Other issue in the Networking: DNS component...

PT-2026-34446

Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees...

PT-2026-34439

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description A client can trigger excessive memory allocation by generating numerous error responses over a single DoQ DNS over QUIC and DoH3 DNS over HTTP/3 connection,...

PT-2026-34322

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC3 caches...

PT-2026-34436

Name of the Vulnerable Software and Affected Versions DNSdist affected versions not specified Description An attacker can create a large number of concurrent DoQ DNS over QUIC or DoH3 DNS over HTTP/3 connections, causing unlimited memory allocation and leading to a denial of service. DoQ and DoH3...

Linux Distros Unpatched Vulnerability : CVE-2026-33594

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A client can trigger excessive memory allocation by generating a lot of queries that are routed to an overloaded DoH backend, causing queries to accumulate into...

PowerDNS DNSdist 安全漏洞

PowerDNS DNSdist is a proxy software provided by PowerDNS that offers capabilities for DNS traffic load balancing and security protection. PowerDNS DNSdist has a security vulnerability that stems from the ability of clients to trigger excessive memory allocation by generating a large number of...