MEDIUM 4.2 NVD
CVE-2026-61915
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 wit
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.
References
- https://cyrusimap.org
- https://www.cyrusimap.org/3.12/imap/download/release-notes/3.10/x/3.10.4.html
- https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.4.html
- https://www.cyrusimap.org/3.12/imap/download/release-notes/3.8/x/3.8.8.html
This medium severity vulnerability with a CVSS score of 4.2 was published on 2026-09-09 via NVD.
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