CVEvulnerability
CVE-2026-34003
7.8 HIGH
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-04-23
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-125
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.
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://access.redhat.com/errata/RHSA-2026:10739 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11352 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11369 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11388 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11656 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11692 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:13414 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:19125 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:19342 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:19343 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:19344 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20547 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20555 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20557 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20558 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20560 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20561 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20562 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20563 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20575 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20576 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20590 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21699 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21712 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21715 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21716 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21718 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21741 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21742 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22424 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22456 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:23254 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:23255 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:23496 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:24341 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-34003 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2451113 bugzilla.redhat.com
- https://access.redhat.com/errata/RHSA-2026:10739 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11352 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11369 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11388 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11656 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11692 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:13414 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:19125 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:19342 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:19343 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:19344 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20547 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20555 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20557 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20558 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20560 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20561 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20562 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20563 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20575 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20576 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:20590 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21699 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21712 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21715 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21716 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21718 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21741 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21742 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22424 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22456 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:23254 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:23255 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:23496 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:24341 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-34003 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2451113 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34003.json security.access.redhat.com