{"action":"Upgrade exim4 to 4.89-13 or later.","affected":[{"fixed":"4.89-13","introduced":"0"}],"component":"exim4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.89-13"],"id":"tcs_01M5NC8SNKWPM9QEW34MMMPZFZ","modified_at":"2026-09-01T20:03:45.376981212Z","published_at":"2017-11-25T17:29:00.307Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-16944","https://security-tracker.debian.org/tracker/CVE-2017-16944"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-16944#Debian:14/exim4","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-16944"}],"summary":"The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT comm"}