{"action":"Upgrade firefox-esr to 68.6.1esr-1 or later.","affected":[{"fixed":"68.6.1esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["68.6.1esr-1"],"id":"tcs_01M5NF7KBRVE6FSTBQR1FQQTB0","modified_at":"2026-10-26T12:02:48.539117295Z","published_at":"2020-04-24T16:15:13.370Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-6819","https://security-tracker.debian.org/tracker/CVE-2020-6819"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-6819#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-6819"}],"summary":"Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affect"}