Security Advisory

CVE-2026-50263

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-05 10:36:46

Last updated 2026-07-13 11:04:52

Assigner redhat

CVSS score not scored

State PUBLISHED

Description

A use-after-free flaw was found in the X.Org X server and Xwayland in CreateSaverWindow(). A client can trigger a use-after-free read after changing window attributes and forcing the screen saver, leading to information disclosure.

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