CVE-2026-109089

High

Description

A buffer overflow when handling DEVICE_RESOLUTION in libXi before 1.8.4 could overflow a heap, triggered by a malicious X server.

SeverityHigh
CVSS7.5
Exploit probability—
ProductMicrosoft Azl3 Libxi
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-122CWE-122

How to fix

Affected products

ProductAffected versionsFixed in
microsoft azl3_libxi_1.8.1-1No range specified—

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