{"action":"Upgrade tnef to 1.4.18-1 or later.","affected":[{"fixed":"1.4.18-1","introduced":"0"}],"component":"tnef","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.4.18-1"],"id":"tcs_01M5NE1QWKKMK210VDSHVNN8MN","modified_at":"2026-09-21T07:03:12.956141333Z","published_at":"2019-11-11T04:15:10.530Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-18849","https://security-tracker.debian.org/tracker/CVE-2019-18849"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-18849","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-18849"}],"summary":"In tnef before 1.4.18, an attacker may be able to write to the victim's .ssh/authorized_keys file via an e-mail message with a crafted winmail.dat application/ms-tnef attachment, because of a heap-bas"}