{"action":"Upgrade firefox-esr to 68.4.0esr-1 or later.","affected":[{"fixed":"68.4.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["68.4.0esr-1"],"id":"tcs_01M5NE01MPFXSDWH0B3511JF6D","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:13/firefox-esr","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"}