{"action":"Upgrade pdns to 4.2.0-1 or later.","affected":[{"fixed":"4.2.0-1","introduced":"0"}],"component":"pdns","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.2.0-1"],"id":"tcs_01M5NDMP6TKWAYRKDAQ5P6CAVY","modified_at":"2026-09-21T07:00:52.548669659Z","published_at":"2019-11-22T13:15:11.567Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-10203","https://security-tracker.debian.org/tracker/CVE-2019-10203"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-10203#Debian:14/pdns","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-10203"}],"summary":"PowerDNS Authoritative daemon , pdns versions 4.0.x before 4.0.9, 4.1.x before 4.1.11, exiting when encountering a serial between 2^31 and 2^32-1 while trying to notify a slave leads to DoS."}