{"action":"Upgrade thunderbird to 91.4.0-r0 or later.","affected":[{"fixed":"91.4.0-r0","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.20","exploited":false,"fixed_versions":["91.4.0-r0"],"id":"tcs_01M6GZ1J12VGSCRD1VT5W98KRF","modified_at":"2026-11-03T06:32:47.927968486Z","published_at":"2021-12-08T22:15:10.107Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-43546","https://security.alpinelinux.org/vuln/CVE-2021-43546"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-43546#Alpine:v3.20/thunderbird","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-43546"}],"summary":"It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95."}