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TI-2018-10342 Aliases CVE-2018-14424GHSA-c4j5-hwcp-h2qq

The daemon in GDM through 3.29.1 does not properly unexport display objects from its…

Priority LOW 35CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Will not fix Red Hat: no fix planned

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

The daemon in GDM through 3.29.1 does not properly unexport display objects from its D-Bus interface when they are destroyed, which allows a local attacker to trigger a use-after-free via a specially crafted sequence of D-Bus method calls, resulting in a denial of service or potential code execution.

Why it matters now

EPSS 0.00536 45th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:*up to 3.29.1VulnerableGNOME
  • cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:* Versions up to 3.29.1 Vulnerable ·GNOME

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-14424
  2. 2026-10-03 Alias added: GHSA-c4j5-hwcp-h2qq

References

Advisory 3

Other 1

  • TI-2020-12684 gdm3 would start gnome-initial-setup if it cannot contact accountservice CVSS 3.1HIGH 7.2
  • TI-2015-06234 GNOME Display Manager (gdm) before 3.18.2 allows physically proximate attackers to bypass… CVSS 2.0HIGH 7.2
  • TI-2013-03642 GNOME Display Manager (gdm) before 2.21.1 allows local users to change permissions of… CVSS 2.0MEDIUM 6.9
  • TI-2019-02837 Improper authentication in Gnome Projectr gdm CVSS 3.0MEDIUM 6.4
  • TI-2017-08954 A flaw was discovered in gdm 3.24.1 where gdm greeter was no longer setting the ran_once… CVSS 3.0MEDIUM 6.4
  • TI-2020-16907 Race condition in gdm CVSS 3.1MEDIUM 6.4
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences