CVE-2026-94282

MEDIUM 5.6

Out-of-bounds read in libXi's XI2 enter/leave/focus cookie conversion

CVSS Score

5.6

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-125
Vendor	x.org
Product	libxi
Published	Sep 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Affected Versions

x.org / libXi

0 < 1.8.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gitlab.freedesktop.org: https://gitlab.freedesktop.org/xorg/lib/libxi/-/merge_requests/23/diffs?commit_id=cecf160e9731fe01f3632f875f29ffcb598b052a

Credits

AISLE in partnership with Red Hat