{"action":"Upgrade exim4 to 4.94.2-1 or later.","affected":[{"fixed":"4.94.2-1","introduced":"0"}],"component":"exim4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.94.2-1"],"id":"tcs_01M5NEZ9M2PJCFD44J4F8DVGQH","modified_at":"2026-09-11T11:02:13.560518914Z","published_at":"2021-05-06T13:15:09.533Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-28017","https://security-tracker.debian.org/tracker/CVE-2020-28017"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-28017#Debian:13/exim4","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-28017"}],"summary":"Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow in receive_add_recipient via an e-mail message with fifty million recipients. NOTE: remote exploitation may be difficult because of reso"}