{"action":"Upgrade dnsdist to 2.0.4-1 or later.","affected":[{"fixed":"2.0.4-1","introduced":"0"}],"component":"dnsdist","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.0.4-1"],"id":"tcs_01M5NRQD2SHNBXX7XP1CZK3VY7","modified_at":"2026-10-27T10:00:36.580403628Z","published_at":"2026-04-22T14:16:53.520Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-33254","https://security-tracker.debian.org/tracker/CVE-2026-33254"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-33254#Debian:14/dnsdist","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-33254"}],"summary":"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."}