{"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:v3.23","exploited":false,"fixed_versions":["91.3.2-r0"],"id":"tcs_01M6GR16TXNW0QFGW0N9RY3XTA","modified_at":"2026-11-03T06:32:32.417725744Z","published_at":"2021-08-05T20:15:08.500Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-29969","https://security.alpinelinux.org/vuln/CVE-2021-29969"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-29969#Alpine:v3.23/thunderbird","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-29969"}],"summary":"If Thunderbird was configured to use STARTTLS for an IMAP connection, and an attacker injected IMAP server responses prior to the completion of the STARTTLS handshake, then Thunderbird didn't ignore t"}