UBUNTU-CVE-2026-33602

A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service...

UBUNTU-CVE-2026-33596

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...

UBUNTU-CVE-2026-33609

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

CVE-2026-33593

A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query...

CVE-2026-33593 Denial of service via crafted DNSCrypt query

A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query...

CVE-2026-33593 Denial of service via crafted DNSCrypt query

A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query...

CVE-2026-33593

The provided documents describe CVE-2026-33593 as a denial-of-service caused by a client sending a crafted DNSCrypt query that triggers a divide-by-zero error and crashes the affected process. The impact is a crash (availability impact HIGH per CVSS), but the connected sources do not specify the ...

CVE-2026-33594

CVE-2026-33594 describes a memory exhaustion issue where a client floods a DoH backend with queries, causing excess memory allocation as queries accumulate in a buffer that is only released at the end of the connection. The connected sources confirm the root cause (buffer growth tied to overloade...

CVE-2026-33594 Outgoing DoH excessive memory allocation

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 a buffer that will not be released until the end of the connection...

CVE-2026-33594

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 a buffer that will not be released until the end of the connection...

CVE-2026-33596

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-2026-33596

CVE-2026-33596 describes a vulnerability in PowerDNS DNSdist where a client could, in theory, cause a mismatch between queries sent to a backend and the responses by flooding with perfectly timed queries that are routed to a TCP-only or DNS over TLS backend. The issue is limited to the transport-...

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-2026-33596 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-2026-33602

CVE-2026-33602 concerns PowerDNS DNSdist (and related Linux distros) where a rogue backend can send a crafted UDP response with a query ID off by one relative to the maximum configured value. This leads to an out-of-bounds write and a denial of service. The connected documents confirm the same ro...

CVE-2026-33602

A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service...

CVE-2026-33602

A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service...

CVE-2026-33602 Off-by-one access when processing crafted UDP responses

A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service...

CVE-2026-31433

A flaw was found in the ksmbd module of the Linux kernel. A remote attacker can exploit this vulnerability by sending a specially crafted compound request, specifically a combination of QUERYDIRECTORY and QUERYINFO. Due to a missing validation check for the client-provided output buffer length, a...

DEBIAN-CVE-2026-33258

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