Integer overflow vulnerability was found in (S)ProcXIBarrierReleasePointer functions. Upstream patch: https://cgit.freedesktop.org/xorg/xserver/commit/?id=d088e3c1286b548a58e62afdc70bb40981cdb9e8
Acknowledgments: Name: the Xorg project
Created xorg-x11-server tracking bugs for this issue: Affects: fedora-all [bug 1509258]