{"action":"Upgrade firefox-esr to 68.8.0esr-1 or later.","affected":[{"fixed":"68.8.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["68.8.0esr-1"],"id":"tcs_01M5NEHAEC8AWFMJ7PF63VTBBK","modified_at":"2026-09-11T11:00:47.775763330Z","published_at":"2020-05-26T18:15:10.980Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-12387","https://security-tracker.debian.org/tracker/CVE-2020-12387"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-12387","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-12387"}],"summary":"A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firef"}