{"id":"CLSA-2026-1790173408","summary":"cyrus-imapd: Fix of 3 CVEs","details":"- fix CVE-2026-61915: double-free in the CalDAV VPATCH BYPARAM selector\n- fix CVE-2026-61909: calendar/addressbook-multiget returned resources the user has no ACL on\n- fix CVE-2026-61911: Sieve mailboxexists/metadata probed other users' mailboxes without a lookup-rights check\n- do not free VPATCH parameters already removed by reference: libical frees them in icalproperty_remove_parameter_by_ref(), so the following icalparameter_free() aborted the CalDAV worker on any VPATCH carrying a PATCH-ACTION parameter, before the CVE-2026-61915 code path could be reached\n- add the upstream cunit regression test for CVE-2026-61915\n- run the cunit suite in %check even when cassandane is disabled, so the regression test above actually executes","modified":"2026-10-26T09:43:36.723242991Z","published":"2026-09-23T14:23:39Z","upstream":["CVE-2026-61909","CVE-2026-61911","CVE-2026-61915"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1790173408.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61909"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61911"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61915"}],"affected":[{"package":{"name":"cyrus-imapd","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/cyrus-imapd?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.8-2.el9_6.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790173408.json"}},{"package":{"name":"cyrus-imapd-devel","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/cyrus-imapd-devel?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.8-2.el9_6.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790173408.json"}},{"package":{"name":"cyrus-imapd-doc-extra","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/cyrus-imapd-doc-extra?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.8-2.el9_6.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790173408.json"}},{"package":{"name":"cyrus-imapd-libs","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/cyrus-imapd-libs?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.8-2.el9_6.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790173408.json"}},{"package":{"name":"cyrus-imapd-utils","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/cyrus-imapd-utils?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.8-2.el9_6.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790173408.json"}},{"package":{"name":"cyrus-imapd-virusscan","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/cyrus-imapd-virusscan?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.8-2.el9_6.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790173408.json"}},{"package":{"name":"perl-Cyrus","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/perl-Cyrus?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.8-2.el9_6.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790173408.json"}}],"schema_version":"1.9.0"}