CVE-2026-93521
HIGH
NVD
CVSS Score
7.8
Severity
HIGH
Published
Oct 28, 2026
Vendor
unknown
Description
A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients to crash or execute code within the X server context.