{"action":"Upgrade pdns-recursor to 4.8.4-1 or later.","affected":[{"fixed":"4.8.4-1","introduced":"0"}],"component":"pdns-recursor","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.8.4-1"],"id":"tcs_01M5NHYTK4MKF620SYHFS1ZDRR","modified_at":"2026-10-23T18:04:51.958499089Z","published_at":"2023-04-04T15:15:08.880Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-26437","https://security-tracker.debian.org/tracker/CVE-2023-26437"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-26437#Debian:13/pdns-recursor","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-26437"}],"summary":"Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3."}