---
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: '2026-09-30'
sourceUpdated: '2026-09-30T13:17:26.123'
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
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-94282.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-94282'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2475267'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-94282'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-94282'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-30T12:41:02.923257Z'
epss: 0.00126
epssPercentile: 0.02231
ingestedAt: '2026-09-28T09:06:28.563Z'
scores:
  nvd: 5.6
  vendor: 6.1
---

## 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.

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Hardened Images · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-94282.json)