CVE-2026-34003

HIGHCVSS 7.8/10EPSS 0.25%

Last modified

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

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.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.25%

16.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Are you affected by CVE-2026-34003?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST