CVE-2026-61915
4.2
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| cyrusimap | Cyrus IMAP | 0 < 3.8.8 | affected |
| cyrusimap | Cyrus IMAP | 3.9.0 < 3.10.4 | affected |
| cyrusimap | Cyrus IMAP | 3.11.0 < 3.12.4 | affected |
Weaknesses
- CWE-415: CWE-415 Double Free
References
- https://cyrusimap.org
- 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/3.10/x/3.10.4.html
- https://www.cyrusimap.org/3.12/imap/download/release-notes/3.8/x/3.8.8.html
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