_XcursorThemeInherits in library.c in libXcursor before 1.1.15 allows remote attackers to cause denial of service or potentially code execution via a one-byte heap overflow.
https://usn.ubuntu.com/3729-1/
https://lists.debian.org/debian-lts-announce/2018/08/msg00016.html
https://cgit.freedesktop.org/xorg/lib/libXcursor/commit/?id=897213f36baf6926daf6d192c709cf627aa5fd05
https://bugs.freedesktop.org/show_bug.cgi?id=90857
https://access.redhat.com/errata/RHSA-2018:3505
https://access.redhat.com/errata/RHSA-2018:3059
Source: Mitre, NVD
Published: 2018-08-01
Updated: 2019-04-16
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.04447