{"id":"CLSA-2026-1778220630","summary":"dovecot: Fix of 3 CVEs","details":"- CVE-2026-27855: fix OTP authentication replay attack via auth cache\n- CVE-2026-27856: fix doveadm credential timing oracle\n- CVE-2026-27857: fix excessive memory usage from deeply nested IMAP command lists (pre-auth ID command)","modified":"2026-05-27T11:18:14.801799643Z","published":"2026-05-08T06:10:35Z","upstream":["CVE-2026-27855","CVE-2026-27856","CVE-2026-27857"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1778220630.html"}],"affected":[{"package":{"name":"dovecot","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/dovecot?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.3.16-15.el9.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778220630.json"}},{"package":{"name":"dovecot-devel","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/dovecot-devel?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.3.16-15.el9.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778220630.json"}},{"package":{"name":"dovecot-mysql","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/dovecot-mysql?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.3.16-15.el9.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778220630.json"}},{"package":{"name":"dovecot-pgsql","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/dovecot-pgsql?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.3.16-15.el9.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778220630.json"}},{"package":{"name":"dovecot-pigeonhole","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/dovecot-pigeonhole?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.3.16-15.el9.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1778220630.json"}}],"schema_version":"1.7.5"}