{"action":"Upgrade thunderbird to 91.3.2-r0 or later.","affected":[{"fixed":"91.3.2-r0","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.17","exploited":false,"fixed_versions":["91.3.2-r0"],"id":"tcs_01M6H4N1RKEPD4V8ASRMKM6KS7","modified_at":"2026-11-03T06:32:58.545859630Z","published_at":"2021-11-03T01:15:07.657Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-38502","https://security.alpinelinux.org/vuln/CVE-2021-38502"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-38502#Alpine:v3.17/thunderbird","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-38502"}],"summary":"Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authe"}