X.Org and XFree86, including libX11, xdm, xf86dga, xinit, xload, xtrans, and xterm, does not check the return values for setuid and seteuid calls when attempting to drop privileges, which might allow local users to gain privileges by causing those calls to fail, such as by exceeding a ulimit.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This vulnerability has a 0.45% probability of being exploited in the next 30 days, ranking higher than 37% of all scored CVEs.