CVE-2017-12178 | X.org X11 Server up to 1.19.4 ProcXIChangeHierarchy error condition (Bug 1509219 / Nessus ID 104745)
A vulnerability was found in X.org X11 Server up to 1.19.4. It has been classified as critical. The impacted element is the function ProcXIChangeHierarchy. Performing manipulation results in unchecked error condition.
This vulnerability was named CVE-2017-12178. The attack needs to be approached locally. There is no available exploit.
Upgrading the affected component is recommended.