high7.8
CVE-2026-93522
A heap buffer overflow caused by mismatched size usage in CopyArea CPU-to-FBO path in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used b…
Impact
A heap buffer overflow caused by mismatched size usage in CopyArea CPU-to-FBO path in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in the X server context.
Affected products
| Product | Affected versions |
|---|---|
| X.Org X Server | before 21.1.15 |
| XWayland | before 24.1.14 |
Versions were read from the advisory text. No structured product data has been published for this record yet.