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CVE-2026-34000

6.1 MEDIUM

A flaw was found in the X.Org X server

Published: 2026-05-05 · Last updated: 2026-06-08

Severity and scoring

CVSS
6.1 MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
CWE
CWE-125

Affected products

VendorProduct
redhatenterprise_linux, x_server
x.orgenterprise_linux, x_server

Description

A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the `CheckSetGeom()` and `XkbAddGeomKeyAlias` functions, allows an attacker to read uninitialized or out-of-bounds memory. An attacker with a connection to the X11 server, either locally or remotely, can exploit this without user interaction. This could lead to the disclosure of memory contents or cause a denial of service by crashing the server.

Source: NVD

References

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