{"action":"Upgrade thunderbird to 1:52.9.0-1 or later.","affected":[{"fixed":"1:52.9.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:52.9.0-1"],"id":"tcs_01M5NCZR53RXFSN6A2W0E3FRPW","modified_at":"2026-10-23T18:02:58.564469045Z","published_at":"2018-10-18T13:29:03.977Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-12372","https://security-tracker.debian.org/tracker/CVE-2018-12372"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-12372#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-12372"}],"summary":"Decrypted S/MIME parts, when included in HTML crafted for an attack, can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 52.9."}