{"action":"Upgrade firefox-esr to 68.9.0esr-1 or later.","affected":[{"fixed":"68.9.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["68.9.0esr-1"],"id":"tcs_01M5NEHG168SHZ8XZNNFTGP9EW","modified_at":"2026-10-26T12:02:25.512251679Z","published_at":"2020-07-09T15:15:10.943Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-12405","https://security-tracker.debian.org/tracker/CVE-2020-12405"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-12405#Debian:13/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-12405"}],"summary":"When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and"}