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. The memory holding the selector would be freed once on each iteration over the properties.
Metrics
CVSS 3.1 7.1/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:HWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Sep 9, 2026
- Last modified
- Sep 16, 2026
- NVD status
- Analyzed