CVE-2026-92387

None

CVSS

—

EPSS

0.3%

Published

Oct 20, 2026

CISA due date

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The record

By permanently omitting the final control-response line, a malicious FTP, IMAP, POP3, or SMTP server can exploit libcurl and completely bypass its configured transfer timeout mechanism, indefinitely blocking all concurrent transfers bound to the same multi-handle.

Affected packages

Ecosystem	Package	Introduced	Fixed