-------- Forwarded Message --------
Subject: [Security-announce][CVE-2026-116566] socket.getaddrinfo() accepts
embedded null bytes in host and port
Date: Thu, 29 Oct 2026 17:46:30 +0000
From: Seth Larson <[email protected]>
Reply-To: [email protected]
To: [email protected]
There is a MEDIUM severity vulnerability affecting CPython.
socket.getaddrinfo() previously accepted null bytes within *host* and *port*
parameters which can cause the values to be silently truncated.
Please see the linked CVE ID for the latest information on affected versions:
* https://www.cve.org/CVERecord?id=CVE-2026-116566
* https://github.com/python/cpython/pull/160899
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