| Package | Affected versions | Patched versions |
|---|---|---|
| x11 | = 5.0 | |
| x server | ≤ 1.16.2 |
X.Org X Window System (aka X11 and X) X11R5 and X.Org Server (aka xserver and xorg-server) before 1.16.3, when using SUN-DES-1 (Secure RPC) authentication credentials, does not check the return value of a malloc call, which allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a crafted connection request.
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