{"action":"Upgrade exim4 to 4.94.2-5 or later.","affected":[{"fixed":"4.94.2-5","introduced":"0"}],"component":"exim4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.94.2-5"],"id":"tcs_01M5NGWC568KYMBEND4H6Z86GA","modified_at":"2026-10-15T08:02:40.908063810Z","published_at":"2022-08-07T18:15:08.343Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2022-37452","https://security-tracker.debian.org/tracker/CVE-2022-37452"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2022-37452","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2022-37452"}],"summary":"Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set."}