{"action":"Upgrade libetpan to 1.9.4-r1 or later.","affected":[{"fixed":"1.9.4-r1","introduced":"0"}],"component":"libetpan","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.20","exploited":false,"fixed_versions":["1.9.4-r1"],"id":"tcs_01M6GM0SCXMK4DFXQGWVG45M0W","modified_at":"2026-11-03T06:32:24.264504804Z","published_at":"2020-07-27T07:15:10.910Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-15953","https://security.alpinelinux.org/vuln/CVE-2020-15953"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-15953#Alpine:v3.20/libetpan","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-15953"}],"summary":"LibEtPan through 1.9.4, as used in MailCore 2 through 0.6.3 and other products, has a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a \"begin TLS\" response, the client"}