---
id: CVE-2026-94282
title: >-
  An out-of-bounds read in libXi's XI2 enter/leave/focus cookie conversion in
  libXi before 1.8.4 could be used by malicious X server to crash an attached X
  client.
summary: >-
  An out-of-bounds read in libXi's XI2 enter/leave/focus cookie conversion in
  libXi before 1.8.4 could be used by malicious X server to crash an attached X
  client.
severity: medium
cvss: 5.6
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:H'
cwe:
  - CWE-125
vendor: x.org
product: libXi
affected:
  - libXi < 1.8.4
published: '2026-09-28'
updated: '2026-09-28'
sourceUpdated: '2026-09-28T09:17:08.003'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-94282'
references:
  - url: >-
      https://gitlab.freedesktop.org/xorg/lib/libxi/-/merge_requests/23/diffs?commit_id=cecf160e9731fe01f3632f875f29ffcb598b052a
    label: meissner@suse.de
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-28T09:06:28.563Z'
---

## Overview

An out-of-bounds read in libXi's XI2 enter/leave/focus cookie conversion in libXi before 1.8.4 could be used by malicious X server to crash an attached X client.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.