{"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:12","exploited":false,"fixed_versions":["4.94.2-1"],"id":"tcs_01M5NEZ9V9PCRX249VNMCSQFAS","modified_at":"2026-09-11T11:02:14.439528849Z","published_at":"2021-05-06T13:15:09.560Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-28018","https://security-tracker.debian.org/tracker/CVE-2020-28018"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-28018","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-28018"}],"summary":"Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL."}