{"id":"CLSA-2026-1778278274","summary":"dovecot: Fix of 2 CVEs","details":"- CVE-2026-27858: managesieve: fix DoS via crafted message before\n  authentication that caused excessive memory allocation\n- CVE-2025-59032: managesieve: fix crash when AUTHENTICATE command does not\n  finish on the first call (literal SASL initial response)","modified":"2026-05-27T11:35:06.489538437Z","published":"2026-05-08T22:11:24Z","upstream":["CVE-2025-59032","CVE-2026-27858"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1778278274.html"}],"affected":[{"package":{"name":"dovecot","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/dovecot?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.3.16-5.el8.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1778278274.json"}},{"package":{"name":"dovecot-devel","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/dovecot-devel?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.3.16-5.el8.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1778278274.json"}},{"package":{"name":"dovecot-mysql","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/dovecot-mysql?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.3.16-5.el8.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1778278274.json"}},{"package":{"name":"dovecot-pgsql","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/dovecot-pgsql?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.3.16-5.el8.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1778278274.json"}},{"package":{"name":"dovecot-pigeonhole","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/dovecot-pigeonhole?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.3.16-5.el8.tuxcare.els2"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1778278274.json"}}],"schema_version":"1.7.5"}