{"id":"CLSA-2026-1781096989","summary":"dovecot: Fix of 4 CVEs","details":"- CVE-2026-40020: imap-acl: reject CR/LF injection in SETACL identifier\n- CVE-2026-42006: lib-imap: fix list_count_limit to actually limit '(' (incomplete fix for CVE-2026-27857)\n- CVE-2026-33603: login-common: reject non-base64 SASL responses to prevent SCRAM channel binding bypass\n- CVE-2026-40016: lib-sieve: enforce sieve_max_cpu_time inside :contains/:matches matcher loops","modified":"2026-10-26T09:43:47.538102985Z","published":"2026-06-10T13:13:50Z","upstream":["CVE-2026-27857","CVE-2026-33603","CVE-2026-40016","CVE-2026-40020","CVE-2026-42006"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1781096989.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33603"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40016"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40020"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42006"}],"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.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781096989.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.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781096989.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.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781096989.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.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781096989.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.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1781096989.json"}}],"schema_version":"1.9.0"}