A integer overflow in glamor Xv Image Size handling in X.Org xwayland before 24.1.15 and X server before 21.1.26 could be used by authenticated clients to crash the X server or leak out data.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
X.Org xwayland unaffected
Version Status Constraints
0 affected < 24.1.15
X.Org xorg-x11-server unaffected
Version Status Constraints
0 affected < 21.1.26

No data.

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Project Subscriptions

Vendors Products
X.org Subscribe
Xorg-x11-server Subscribe
Xwayland Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://gitlab.freedesktop.org/xorg/xserver/-/commit/99e647e914d947a791e92253a071955a9703647a cve-icon cve-icon
History

Fri, 13 Nov 2026 14:00:00 +0000

Type Values Removed Values Added
Description A integer overflow in glamor Xv Image Size handling in X.Org xwayland before 24.1.15 and X server before 21.1.26 could be used by authenticated clients to crash the X server or leak out data.
Title X.Org Server glamor Xv Image Size Integer Overflow
First Time appeared X.org
X.org xorg-x11-server
X.org xwayland
Weaknesses CWE-190
CPEs cpe:2.3:a:x.org:xorg-x11-server:*:*:*:*:*:*:*:*
cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*
Vendors & Products X.org
X.org xorg-x11-server
X.org xwayland
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: suse

Published:

Updated: 2026-11-13T16:15:07.445Z

Reserved: 2026-10-12T06:41:23.778Z

Link: CVE-2026-109095

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-13T14:17:47.260

Modified: 2026-11-13T17:17:17.120

Link: CVE-2026-109095

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses