CVE-2026-34003

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.8 / 10

Vector String

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

Vulnerability Description

A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash, leading to a Denial of Service (DoS). In certain configurations, higher impact outcomes may be possible.

Vulnerability Details

Published Date

April 23, 2026

Last Modified

April 23, 2026

CWE ID

CWE-125

Source

NVD

Vendor

Red Hat

Product

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

External References

https://access.redhat.com/security/cve/CVE-2026-34003
https://bugzilla.redhat.com/show_bug.cgi?id=2451113

CVE-2026-34003

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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