CVE-2015-8316: Lightdm Project Lightdm

Medium severity, CVSS 5.9. EPSS: 1.7% chance of exploitation in the next 30 days.

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.

Affected products

• Lightdm Project Lightdm: version 1.14.3 only; version 1.16 only; version 1.16.1 only; version 1.16.2 only; version 1.16.3 only; version 1.16.4 only

Published 2017-09-06. Last modified 2026-06-17.