high7.8
CVE-2026-56000
Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use Af…
Impact
Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent() pointing into potentially reallocated memory.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| X.Org | X Server | before 21.2.24 |
| X.Org | Xwayland | before 24.1.13 |