CVE-2026-92387
High
Description
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.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Microsoft Azl3 Curl
PublishedOct 20, 2026
First seenOct 20, 2026
Weakness typeCWE-835CWE-835
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft azl3_curl_8.11.1-11 | No range specified | — |
| microsoft azl3_curl_8.11.1-12 | No range specified | — |
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