This update for xorg-x11-libs fixes several issues. These security issues were fixed: - CVE-2017-16612: Heap overflows due to an integer overflow while parsing images and a signedness issue while parsing comments . - CVE-2017-13720: Improper check for end of string in PatterMatch caused invalid reads - CVE-2017-13722: Malformed PCF file could have caused DoS or leak information - Prevent the X server from accessing arbitrary files as root. It is not possible to leak information, but special files can be touched allowing for causing side effects