| Package | Affected versions | Patched versions |
|---|---|---|
| x server | < 21.1.23 | 21.1.23 |
| xwayland | < 24.1.12 | 24.1.12 |
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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