{"id":"UBUNTU-CVE-2019-11356","details":"The CalDAV feature in httpd in Cyrus IMAP 2.5.x through 2.5.12 and 3.0.x through 3.0.9 allows remote attackers to execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name.","modified":"2026-04-22T13:26:36.825336Z","published":"2019-06-03T20:29:00Z","related":["USN-4566-1"],"upstream":["CVE-2019-11356"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11356"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1717828"},{"type":"REPORT","url":"https://github.com/cyrusimap/cyrus-imapd/commit/a5779db8163b99463e25e7c476f9cbba438b65f3"},{"type":"REPORT","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IGO43JS7IFDNITHXOOHOP6JHRKRDIYY6/"},{"type":"REPORT","url":"https://www.cyrusimap.org/imap/download/release-notes/2.5/index.html"},{"type":"REPORT","url":"https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.13.html"},{"type":"REPORT","url":"https://www.cyrusimap.org/imap/download/release-notes/3.0/index.html"},{"type":"REPORT","url":"https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.10.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4566-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-11356"}],"affected":[{"package":{"name":"cyrus-imapd","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/cyrus-imapd@2.5.10-3ubuntu1.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.10-3ubuntu1.1"}]}],"versions":["2.5.10-3build1","2.5.10-3build2","2.5.10-3ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"cyrus-admin","binary_version":"2.5.10-3ubuntu1.1"},{"binary_name":"cyrus-caldav","binary_version":"2.5.10-3ubuntu1.1"},{"binary_name":"cyrus-clients","binary_version":"2.5.10-3ubuntu1.1"},{"binary_name":"cyrus-common","binary_version":"2.5.10-3ubuntu1.1"},{"binary_name":"cyrus-imapd","binary_version":"2.5.10-3ubuntu1.1"},{"binary_name":"cyrus-murder","binary_version":"2.5.10-3ubuntu1.1"},{"binary_name":"cyrus-nntpd","binary_version":"2.5.10-3ubuntu1.1"},{"binary_name":"cyrus-pop3d","binary_version":"2.5.10-3ubuntu1.1"},{"binary_name":"cyrus-replication","binary_version":"2.5.10-3ubuntu1.1"},{"binary_name":"libcyrus-imap-perl","binary_version":"2.5.10-3ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11356.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}