A flaw was found in xorg-x11-server. An authenticated local user can trigger an out-of-bounds heap memory read by sending specially crafted X Keyboard Extension (XKB) requests with inconsistent key range parameters. This flaw leads to information disclosure, allowing the user to read sensitive data from the server's heap memory.
Advisories

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Fixes

Solution

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Workaround

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History

Thu, 08 Oct 2026 12:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in xorg-x11-server. An authenticated local user can trigger an out-of-bounds heap memory read by sending specially crafted X Keyboard Extension (XKB) requests with inconsistent key range parameters. This flaw leads to information disclosure, allowing the user to read sensitive data from the server's heap memory.
Title xorg-x11-server: XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read
Weaknesses CWE-125
References
Metrics threat_severity

None

cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

threat_severity

Low


Projects

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cve-icon MITRE

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cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

Severity : Low

Publid Date: 2026-10-07T12:00:00Z

Links: CVE-2026-93524 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-08T14:30:18Z

Weaknesses