Upstream information
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.SUSE information
Overall state of this security issue: Revisit
This issue is currently rated as having moderate severity.
| CVSS detail | CNA (MITRE) |
|---|---|
| Base Score | 4.2 |
| Vector | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality Impact | None |
| Integrity Impact | Low |
| Availability Impact | Low |
| CVSSv3 Version | 3.1 |
SUSE Timeline for this CVE
CVE page created: Thu Sep 10 17:49:33 2026CVE page last modified: Thu Sep 10 20:59:40 2026