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CVE PROGRAM SOURCE RECORD4.2 Medium

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 with a PATCH containing

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Status
Published
Published
Updated
Assigning organization
mitre

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

cyrusimap Cyrus IMAP

Default version status: unaffected

  • 0 to < 3.8.8affected
  • 3.9.0 to < 3.10.4affected
  • 3.11.0 to < 3.12.4affected

References