{"action":"Upgrade thunderbird to 68.8.0-r0 or later.","affected":[{"fixed":"68.8.0-r0","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.20","exploited":false,"fixed_versions":["68.8.0-r0"],"id":"tcs_01M6GPZHBKYWQJKXS2HYAV4EYE","modified_at":"2026-11-03T06:32:30.633608172Z","published_at":"2020-05-22T19:15:15.580Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-12397","https://security.alpinelinux.org/vuln/CVE-2020-12397"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-12397#Alpine:v3.20/thunderbird","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-12397"}],"summary":"By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0."}