{"schemaVersion":3,"id":"CVE-2026-61915","aliases":["UBUNTU-CVE-2026-61915","DEBIAN-CVE-2026-61915"],"status":"published","duplicateOf":null,"title":null,"description":"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. 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