{"action":"Upgrade firefox-esr to 52.3.0esr-1 or later.","affected":[{"fixed":"52.3.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["52.3.0esr-1"],"id":"tcs_01M5NCN950PZ8F93F3YKQNNFA0","modified_at":"2026-09-01T20:03:50.540433201Z","published_at":"2018-06-11T21:29:10.263Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-7809","https://security-tracker.debian.org/tracker/CVE-2017-7809"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-7809#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-7809"}],"summary":"A use-after-free vulnerability can occur when an editor DOM node is deleted prematurely during tree traversal while still bound to the document. This results in a potentially exploitable crash. This v"}