{"action":"Upgrade dovecot to 2.4.3-r0 or later.","affected":[{"introduced":"3.0.0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.24","exploited":false,"fixed_versions":["2.4.3-r0"],"id":"tcs_01M5NFMKD88HY93JNARSBTK7SC","modified_at":"2026-10-01T02:17:49.224742659Z","published_at":"2026-03-27T09:16:19.767Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-27856","https://security.alpinelinux.org/vuln/CVE-2026-27856"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-27856#Alpine:v3.24/dovecot","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-27856"}],"summary":"Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine the configured credentials. Figuring out the credential wil"}