CVE-2015-8316

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-09-06 · updated 2026-06-17
Weakness: CWE-129

Description

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: 1.14.3, 1.16, 1.16.1, 1.16.2, 1.16.3, 1.16.4

References

http://www.openwall.com/lists/oss-security/2015/11/22/1
https://bugs.launchpad.net/lightdm/+bug/1516831
https://bugzilla.redhat.com/show_bug.cgi?id=1284574
http://www.openwall.com/lists/oss-security/2015/11/22/1
https://bugs.launchpad.net/lightdm/+bug/1516831
https://bugzilla.redhat.com/show_bug.cgi?id=1284574

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