CVE-2026-32665

A flaw was found in Unbound when DNS-over-QUIC DoQ is enabled. An attacker could exploit improper validation of client-provided data length, leading to excessive memory allocation. This can cause the system to exceed its configured memory limits for QUIC connections, resulting in a Denial of...

CVE-2026-14586

A flaw was found in Unbound. Under heavy DNS-over-QUIC DoQ traffic, a timing discrepancy in Unbound’s libngtcp2 library can trigger an assertion failure. This causes the server to crash unexpectedly, resulting in a denial of service DoS. Mitigation Disable DNS-over-QUIC DoQ by removing or...

Allocation of Resources Without Limits or Throttling

Overview github.com/coredns/coredns/core/dnsserver is a package that implements all the interfaces from Caddy, so that CoreDNS can be a servertype plugin. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the DNS-over-QUIC DoQ server...

CVE-2025-47950

CoreDNS is a DNS server that chains plugins. In versions prior to 1.12.2, a Denial of Service DoS vulnerability exists in the CoreDNS DNS-over-QUIC DoQ server implementation. The server previously created a new goroutine for every incoming QUIC stream without imposing any limits on the number of...

AZL-63695 CVE-2025-47950 affecting package coredns for versions less than 1.11.1-19

CoreDNS is a DNS server that chains plugins. In versions prior to 1.12.2, a Denial of Service DoS vulnerability exists in the CoreDNS DNS-over-QUIC DoQ server implementation. The server previously created a new goroutine for every incoming QUIC stream without imposing any limits on the number of...

PT-2024-3971

Name of the Vulnerable Software and Affected Versions NGINX Plus affected versions not specified NGINX OSS affected versions not specified Description The issue is related to the use of memory after it has been freed in the HTTP/3 QUIC module ngx http v3 module of NGINX Plus and NGINX OSS. This c...