{"action":"Upgrade exim to 4.98.2-r0 or later.","affected":[{"fixed":"4.98.2-r0","introduced":"0"}],"component":"exim","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.24","exploited":false,"fixed_versions":["4.98.2-r0"],"id":"tcs_01M6H968C2M016MGR1RDC5AVPJ","modified_at":"2026-11-03T06:33:02.705843041Z","published_at":"2026-04-30T22:16:25.633Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-40685","https://security.alpinelinux.org/vuln/CVE-2026-40685"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-40685#Alpine:v3.24/exim","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-40685"}],"summary":"In Exim before 4.99.2, when JSON lookup is enabled, an out-of-bounds heap write can occur when a JSON operator encounters malformed JSON in an untrusted header, because of an incorrect implementation"}