{"action":"Upgrade thunderbird to 1:68.4.1-1 or later.","affected":[{"fixed":"1:68.4.1-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:68.4.1-1"],"id":"tcs_01M5NE022GG46NKG2ASZ2M38WC","modified_at":"2026-09-21T07:03:05.825301665Z","published_at":"2020-01-08T22:15:12.277Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-17016","https://security-tracker.debian.org/tracker/CVE-2019-17016"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-17016#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-17016"}],"summary":"When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites res"}