{"id":"CLSA-2026-1779378574","summary":"dovecot: Fix of 2 CVEs","details":"- CVE-2026-42006: lib-imap: fix list_count_limit to actually count open '(' instead of close ')', preventing an imap-login memory-exhaustion DoS that bypassed the CVE-2026-27857 fix","modified":"2026-05-27T11:35:29.927963207Z","published":"2026-05-21T15:49:38Z","upstream":["CVE-2026-27857","CVE-2026-42006"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/oraclelinux6els/CLSA-2026-1779378574.html"}],"affected":[{"package":{"name":"dovecot","ecosystem":"TuxCare:OracleLinux:6","purl":"pkg:rpm/tuxcare/dovecot?distro=oraclelinux-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.9-23.el6.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1779378574.json"}},{"package":{"name":"dovecot-devel","ecosystem":"TuxCare:OracleLinux:6","purl":"pkg:rpm/tuxcare/dovecot-devel?distro=oraclelinux-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.9-23.el6.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1779378574.json"}},{"package":{"name":"dovecot-mysql","ecosystem":"TuxCare:OracleLinux:6","purl":"pkg:rpm/tuxcare/dovecot-mysql?distro=oraclelinux-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.9-23.el6.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1779378574.json"}},{"package":{"name":"dovecot-pgsql","ecosystem":"TuxCare:OracleLinux:6","purl":"pkg:rpm/tuxcare/dovecot-pgsql?distro=oraclelinux-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.9-23.el6.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1779378574.json"}},{"package":{"name":"dovecot-pigeonhole","ecosystem":"TuxCare:OracleLinux:6","purl":"pkg:rpm/tuxcare/dovecot-pigeonhole?distro=oraclelinux-6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.9-23.el6.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1779378574.json"}}],"schema_version":"1.7.5"}