Improper Validation of Array Index Affecting lightdm package, versions <1.16.6-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.31% (70th percentile)

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  • Snyk IDSNYK-DEBIAN13-LIGHTDM-5686212
  • published6 Sept 2017
  • disclosed6 Sept 2017

Introduced: 6 Sep 2017

CVE-2015-8316  (opens in a new tab)
CWE-129  (opens in a new tab)

How to fix?

Upgrade Debian:13 lightdm to version 1.16.6-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lightdm package and not the lightdm package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

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.