X.org libXi before 1.7.7 allows remote X servers to cause a denial of service (infinite loop) via vectors involving length fields.
http://www.openwall.com/lists/oss-security/2016/10/04/2
http://www.openwall.com/lists/oss-security/2016/10/04/4
http://www.securityfocus.com/bid/93374
http://www.securitytracker.com/id/1036945
https://cgit.freedesktop.org/xorg/lib/libXi/commit/?id=19a9cd607de73947fcfb104682f203ffe4e1f4e5
https://lists.x.org/archives/xorg-announce/2016-October/002720.html
Source: MITRE
Published: 2016-12-13
Updated: 2017-07-01
Type: CWE-284
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH