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 local attacker to trigger a use-after-free via a specially crafted sequence of D-Bus method calls, resulting in…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.54% probability · 45th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- gnome/gnome display manager
- Source
- cve@mitre.org
EPSS 0.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/105179Third Party Advisory, VDB Entry
- https://gitlab.gnome.org/GNOME/gdm/issues/401Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00003.htmlMailing List
- https://usn.ubuntu.com/3737-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4270Third Party Advisory
- http://www.securityfocus.com/bid/105179Third Party Advisory, VDB Entry
- https://gitlab.gnome.org/GNOME/gdm/issues/401Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00003.htmlMailing List
- https://usn.ubuntu.com/3737-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4270Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.