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CVE-2026-50263

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CVSS 3.1
5.5 medium
EPSS
<1%p4
Published
()
Modified
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.

Vendors
x.orgredhat
Products
x server, xwayland, enterprise linux
Weakness
CWE-416
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD CVE.org GitHub PoCs EPSS (0.1%)

In the news

No ingested article mentions this CVE yet.