Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.
www.openwall.com/lists/oss-security/2016/10/04/2
www.openwall.com/lists/oss-security/2016/10/04/4
www.securityfocus.com/bid/93366
www.securitytracker.com/id/1036945
cgit.freedesktop.org/xorg/lib/libXrender/commit/?id=9362c7ddd1af3b168953d0737877bc52d79c94f4
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WCKZFMZ76APAVMIRCUKKHEB4GAS7ZUP/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHUT5YOSWVMBJNWZGUQNZRBFIZKRM4A6/
lists.x.org/archives/xorg-announce/2016-October/002720.html
security.gentoo.org/glsa/201704-03