PT-2026-89142 · Cyrusimap · Cyrus Imap

CVE-2026-61915

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Published

2026-09-09

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Updated

2026-09-09

CVSS v3.1

4.2

Medium

VectorAV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
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.

Fix

Double Free

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Weakness Enumeration

Related Identifiers

CVE-2026-61915

Affected Products

Cyrus Imap