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Affected Component
Analysis
xwayland
Exploitable
Name
CVE-2026-50262
Description
An out-of-bounds read flaw was found in the X.Org X server and Xwayland in __glXDisp_ChangeDrawableAttributes(). A wrong size validation check can read a client-controlled number of bytes, exceeding the request buffer, leading to information disclosure. A write path also exists but requires byte-swapped clients which is disabled by default.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://access.redhat.com/security/cve/CVE-2026-50262Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2485387Issue Tracking
https://redhat.atlassian.net/browse/PSIRTSUPT-16950Permissions Required
Analysis#
Vulnerability Ratings#
5.5
CVSSv31
NaN
other