CVE-2026-116566

Medium

Description

socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to be silently truncated.

SeverityMedium
CVSS5.3
Exploit probability—
ProductMicrosoft Azl3 Python3 3.12.16-1
PublishedOct 29, 2026
First seenNov 4, 2026
Weakness typeCWE-158CWE-158

How to fix

Affected products

ProductAffected versionsFixed in
microsoft azl3_python3_3.12.16-1No range specified—
microsoft azl3_python3_3.12.14-2No range specified—

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