{"action":"Upgrade thunderbird to 78.9.0-r0 or later.","affected":[{"fixed":"78.9.0-r0","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.18","exploited":false,"fixed_versions":["78.9.0-r0"],"id":"tcs_01M6GN98B3PAAF3WDZB5KQKA5A","modified_at":"2026-11-03T06:32:27.583245938Z","published_at":"2021-02-26T02:15:13.243Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-23973","https://security.alpinelinux.org/vuln/CVE-2021-23973"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-23973#Alpine:v3.18/thunderbird","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-23973"}],"summary":"When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerabi"}