CVE-2026-109095 - Vulnerability Details - OpenCVE

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.

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

No data.

No data.

No data.

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

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		https://gitlab.freedesktop.org/xorg/xserver/-/commit/99e647e914d947a791e92253a071955a9703647a
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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MITRE

Status: PUBLISHED

Assigner: suse

Published: 2026-11-13T13:53:11.592Z

Updated: 2026-11-13T13:53:11.592Z

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

Link: CVE-2026-109095

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

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

Modified: 2026-11-13T14:17:47.367

Link: CVE-2026-109095

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-190

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