{"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_01M5NRQV8370GWEWR695VPE8CG","modified_at":"2026-10-27T10:00:51.506649322Z","published_at":"2026-04-22T14:16:53.837Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-33594","https://security-tracker.debian.org/tracker/CVE-2026-33594"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-33594#Debian:14/dnsdist","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-33594"}],"summary":"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 unti"}