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CVE-2026-87864

unscored Awaiting Analysis

Enabling `CURLOPT_CRLF` causes curl to advertise the raw input byte count in the `IMAP APPEND {N}` literal while transmitting line-ending expanded data. The server reads only $N$ bytes for the payload, causing the remaining overflow bytes to be interpreted and executed as pipelined IMAP commands within the authenticated session.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 17:21
  2. StatusReceived → PublishedNVD modified 2026-10-20 20:13
  3. First seenunscoredNVD modified 2026-10-20 21:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3