Name: CVE-2026-94284: Out-of-bounds Read
Creator: Rapid7
Published: 2026-09-28T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-94284, CWE-125, CVSS 5.5, EPSS 0.00103

An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.

CVSS Details

CVSS 3.1 Base Score: 5.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade libx11	Oct 20, 2026	Sep 28, 2026
Redhat_linux	—	No solution exists	Sep 29, 2026	Sep 28, 2026
Ubuntu	—	Upgrade libx11-6 (Ubuntu Pro)Upgrade libx11-6	Oct 12, 2026	Sep 28, 2026

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CVSS Details

Covered by Rapid7

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