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CVE-2026-61915

Cyrus IMAP · Vulnerability

CVSS 3.1 4.2 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-61915

Published

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.

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Affected versions, risk and source history

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Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-61915 · CVE overview and exploitation status

cve-program · CVE-2026-61915

Related changes

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 03:49 UTC · 252 of 275 readable · 247 fully read · documentation 468/469 current

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