{"id":"CLSA-2026-1790769478","summary":"cyrus-imapd: Fix of CVE-2026-61915","details":"- fix CVE-2026-61915: double-free in the CalDAV VPATCH BYPARAM selector,\n  reachable by an authenticated calendar user patching a resource with two or\n  more properties of the matched kind\n- disable the cassandane test runner by default: its harness (imaptest plus the\n  perl test modules) is absent from the centos-stream8 repositories on every\n  architecture; the cunit suite continues to run on all architectures\n- do not free VPATCH parameters already removed by reference: the parameter\n  stays owned by libical after icalproperty_remove_parameter_by_ref(), so the\n  following icalparameter_free() double-freed it and aborted the CalDAV worker\n  on any VPATCH carrying a PATCH-ACTION parameter, before the CVE-2026-61915\n  code path could be reached\n- use strcmpsafe/strncmpsafe for PATCHACTION string matching:\n  icalparameter_get_xvalue() and icalproperty_get_value_as_string() may return\n  NULL on the same VPATCH path","modified":"2026-10-26T09:30:56.554912895Z","published":"2026-09-30T11:58:08Z","upstream":["CVE-2026-61915"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1790769478.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61915"}],"affected":[{"package":{"name":"cyrus-imapd","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/cyrus-imapd?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-24.el8.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1790769478.json"}},{"package":{"name":"cyrus-imapd-devel","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/cyrus-imapd-devel?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-24.el8.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1790769478.json"}},{"package":{"name":"cyrus-imapd-doc-extra","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/cyrus-imapd-doc-extra?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-24.el8.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1790769478.json"}},{"package":{"name":"cyrus-imapd-utils","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/cyrus-imapd-utils?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-24.el8.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1790769478.json"}},{"package":{"name":"cyrus-imapd-vzic","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/cyrus-imapd-vzic?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-24.el8.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1790769478.json"}}],"schema_version":"1.9.0"}