What’s Vulnerable › Vulnerabilities

CVE-2018-14424

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-08-14 · updated 2026-06-17
• Weakness: CWE-416

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.

Affected products

• Gnome Display Manager: through 3.29.1

References

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

Get alerted when CVE-2018-14424 or the next vulnerability affects your stack