{"id":"DEBIAN-CVE-2026-61915","details":"An issue was discovered in Cyrus IMAP before 3.12.4. There is a VPATCH BYPARAM double-free. An authenticated calendar user could crash a Cyrus CalDAV worker with a PATCH containing PATCH-ACTION=\"BYPARAM@...\" against a resource with two or more properties of the matched kind. The memory holding the selector would be freed once on each iteration over the properties.","modified":"2026-10-01T03:03:13.576435033Z","published":"2026-09-09T20:18:36.943Z","upstream":["CVE-2026-61915"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-61915"}],"affected":[{"package":{"name":"cyrus-imapd","ecosystem":"Debian:12","purl":"pkg:deb/debian/cyrus-imapd?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.10.0-1","3.10.0~beta1-1","3.10.0~beta1-2","3.10.0~beta1-3","3.10.0~beta2-1","3.10.0~rc2-1","3.10.1-1","3.10.1-2","3.10.1-3","3.10.1-3~bpo12+1","3.10.2-1","3.10.2-1~bpo12+1","3.12.0-1","3.12.0-2","3.12.1-1","3.12.1-2","3.12.1-3","3.12.2-1","3.12.3-1","3.12.3-1~bpo13+1","3.12.3-2","3.12.3-3","3.12.3-4","3.12.4-1","3.6.1-4","3.6.1-4+deb12u1","3.6.1-4+deb12u2","3.6.1-4+deb12u3","3.6.1-4+deb12u4","3.6.1-4+deb12u5","3.8.0-1","3.8.0-2","3.8.0-3","3.8.0-4","3.8.0-5","3.8.0~beta1-1","3.8.0~beta2-1","3.8.0~rc1-1","3.8.1-1","3.8.1-1~bpo12+1","3.8.1-2","3.8.1-3","3.8.2-1","3.8.3-1","3.8.4-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-61915.json"}},{"package":{"name":"cyrus-imapd","ecosystem":"Debian:13","purl":"pkg:deb/debian/cyrus-imapd?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.10.2-1","3.10.2-1+deb13u1","3.10.2-1+deb13u2","3.12.0-1","3.12.0-2","3.12.1-1","3.12.1-2","3.12.1-3","3.12.2-1","3.12.3-1","3.12.3-1~bpo13+1","3.12.3-2","3.12.3-3","3.12.3-4","3.12.4-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-61915.json"}},{"package":{"name":"cyrus-imapd","ecosystem":"Debian:14","purl":"pkg:deb/debian/cyrus-imapd?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.12.4-1"}]}],"versions":["3.10.2-1","3.12.0-1","3.12.0-2","3.12.1-1","3.12.1-2","3.12.1-3","3.12.2-1","3.12.3-1","3.12.3-1~bpo13+1","3.12.3-2","3.12.3-3","3.12.3-4"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-61915.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"}]}