{"action":"Upgrade firefox to 76.0-r0 or later.","affected":[{"fixed":"76.0-r0","introduced":"0"}],"component":"firefox","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.16","exploited":false,"fixed_versions":["76.0-r0"],"id":"tcs_01M6GQ0EM8YQJDW87B8TCME50P","modified_at":"2026-11-03T06:32:30.694953747Z","published_at":"2020-05-26T18:15:10.980Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-12387","https://security.alpinelinux.org/vuln/CVE-2020-12387"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-12387#Alpine:v3.16/firefox","url":"https://osv.dev/vulnerability/ALPINE-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"}