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.
Metrics
CVSS 3.0 5.9/10
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.openwall.com/lists/oss-security/2015/11/22/1Mailing List, VDB Entry
- https://bugs.launchpad.net/lightdm/+bug/1516831Issue Tracking, Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1284574Issue Tracking, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2015/11/22/1Mailing List, VDB Entry
- https://bugs.launchpad.net/lightdm/+bug/1516831Issue Tracking, Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1284574Issue Tracking, Third Party Advisory, VDB Entry
Timeline
- Published
- Sep 6, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified