Fixes CVE-2018-14599, CVE-2018-14600 & CVE-2018-14598: https://lists.x.org/archives/xorg-announce/2018-August/002915.html Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>