AZL-111476: CVE-2026-93515 affecting package wayland 1.22.0-1

Q: Who can exploit this issue?

An attacker needs to be able to act as a malicious X client connected to a vulnerable X.org X Server or XWayland instance. The issue may allow that client to crash the server or potentially execute code in the X server context.

Q: Which upstream versions are affected?

The issue affects X.org X Server versions before 21.1.25 and XWayland versions before 24.1.14.

Published Oct 28, 2026

Updated

A use-after-free in presentclearwindownotifies() in the X.org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by malicious X clients to crash or potentially execute code in the X server context.

Affected Software

1 affected component

azure-linux/wayland<=1.22.0-1

Event History

Oct 28, 2026

Advisory Published

via OSV·01:17 PM

Data Sourced

via OSV·01:17 PM

DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

CVE-2026-93515

Frequently Asked Questions

Who can exploit this issue?

An attacker needs to be able to act as a malicious X client connected to a vulnerable X.org X Server or XWayland instance. The issue may allow that client to crash the server or potentially execute code in the X server context.

Which upstream versions are affected?

The issue affects X.org X Server versions before 21.1.25 and XWayland versions before 24.1.14.

AZL-111476: CVE-2026-93515 affecting package wayland 1.22.0-1

Affected Software

Event History

Child vulnerabilities

Frequently Asked Questions

Who can exploit this issue?

Which upstream versions are affected?

Company

Resources

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Frequently Asked Questions

Who can exploit this issue?

Which upstream versions are affected?