CVE-2015-8316

medium
Published 2017-09-06 ยท Modified 2026-05-13
CVSS v3
5.9
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
5.9

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.

Predictions

Exploit likelihood
69%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1.16.6-1
debian debianbullseyefixed1.16.6-1
debian debianforkyfixed1.16.6-1
debian debiansidfixed1.16.6-1
debian debiantrixiefixed1.16.6-1

Application impact

VendorProductVersionsFixed
lightdm_projectlightdm1.14.3
lightdm_projectlightdm1.16
lightdm_projectlightdm1.16.1
lightdm_projectlightdm1.16.2
lightdm_projectlightdm1.16.3
lightdm_projectlightdm1.16.4

References

CWEs

CWE-129

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.