{"action":"Upgrade exim4 to 4.99-7 or later.","affected":[{"fixed":"4.99-7","introduced":"0"}],"component":"exim4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.99-7"],"id":"tcs_01M5NP7RAJ27JDR769N2GAT76Z","modified_at":"2026-10-15T09:47:31.716784787Z","published_at":"2025-12-14T04:15:50.287Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-67896","https://security-tracker.debian.org/tracker/CVE-2025-67896"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-67896","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-67896"}],"summary":"Exim before 4.99.1, with certain non-default rate-limit configurations, allows a remote heap-based buffer overflow because database records are cast directly to internal structures without validation."}