{"action":"Upgrade firefox to 87.0-r0 or later.","affected":[{"fixed":"87.0-r0","introduced":"0"}],"component":"firefox","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.17","exploited":false,"fixed_versions":["87.0-r0"],"id":"tcs_01M6GV0YNEE2BWB3441GDBH7XQ","modified_at":"2026-11-03T06:32:38.365217078Z","published_at":"2021-02-26T03:15:14.213Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-23977","https://security.alpinelinux.org/vuln/CVE-2021-23977"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-23977#Alpine:v3.17/firefox","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-23977"}],"summary":"Firefox for Android suffered from a time-of-check-time-of-use vulnerability that allowed a malicious application to read sensitive data from application directories. Note: This issue is only affected"}