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 …
Published: 2026-04-22 · CVSS: 5.3 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7