View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2015-8316 low priority: Ubuntu including 1 source packages (lightdm), 6 status rows across 6 suites (precise, trusty, upstream, vivid, wily, xenial): not-affected 3, DNE 1, ignored 1, released 1.
Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address.