This update for xorg-x11-libs fixes the following issues:
insufficient validation of data from the X server can cause a
one byte buffer read underrun (bsc#1003023, CVE-2016-7953)
insufficient validation of data from the X server can cause out
of boundary memory access or endless loops (Denial of Service)
(bsc#1003012, CVE-2016-7951, CVE-2016-7952)
insufficient validation of data from the X server can cause out
of boundary memory writes (bsc#1003000, CVE-2016-7947, CVE-2016-7948)
insufficient validation of data from the X server can cause out
of boundary memory access or endless loops (Denial of Service).
(bsc#1002998, CVE-2016-7945, CVE-2016-7946)