{"id":"CVE-2018-14424","aliases":["DEBIAN-CVE-2018-14424","DLA-1494-1","DSA-4270-1","EUVD-2018-6341","GHSA-c4j5-hwcp-h2qq","SUSE-SU-2018:2527-1","SUSE-SU-2018:2771-1","UBUNTU-CVE-2018-14424","USN-3737-1","openSUSE-SU-2024:10780-1"],"status":"published","title":"The daemon in GDM through 3.29.1 does not properly unexport display objects from its D-Bus...","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.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00536,"percentile":0.45476,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2018-08-13T00:00:00Z","modified":"2026-10-24T10:50:31Z","fixes":[{"ecosystem":"Debian:12","package":"gdm3","fixed_in":["3.28.2-4"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"gdm3","fixed_in":["3.28.2-4"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"gdm3","fixed_in":["3.28.2-4"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"gdm3","fixed_in":["3.14.1-7+deb8u1"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"gdm3","fixed_in":["3.22.3-3+deb9u2"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Desktop 12 SP3","package":"gdm","fixed_in":["3.10.0.1-54.6.3"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP3","package":"gdm","fixed_in":["3.10.0.1-54.6.3"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"gdm","fixed_in":["3.10.0.1-54.6.3"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"gdm","fixed_in":["3.10.0.1-54.6.3"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Module for Desktop Applications 15","package":"gdm","fixed_in":["3.26.2.1-13.9.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"gdm3","fixed_in":["3.28.2-0ubuntu1.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"gdm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.28.2-4"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"gdm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.28.2-4"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"gdm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.28.2-4"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"gdm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.1-7+deb8u1"}]}],"versions":["3.14.1-7"]},{"source":"osv","ecosystem":"Debian:9","package":"gdm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.3-3+deb9u2"}]}],"versions":["3.22.3-3","3.22.3-3+deb9u1"]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP3","package":"gdm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.0.1-54.6.3"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP3","package":"gdm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.0.1-54.6.3"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"gdm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.0.1-54.6.3"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"gdm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.0.1-54.6.3"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Desktop Applications 15","package":"gdm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.26.2.1-13.9.1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gdm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.18.0-2ubuntu1","3.18.0-2ubuntu2","3.18.0-2ubuntu3","3.18.0-2ubuntu4","3.18.2-1ubuntu1","3.18.2-1ubuntu2","3.18.3-0ubuntu1","3.18.3-0ubuntu2","3.18.3-0ubuntu2.1","3.18.3-0ubuntu2.2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"gdm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.28.2-0ubuntu1.4"}]}],"versions":["3.26.1-3ubuntu2","3.26.1-3ubuntu3","3.26.2.1-0ubuntu1","3.26.2.1-2ubuntu1","3.26.2.1-2ubuntu2","3.27.90-0ubuntu1","3.27.92-0ubuntu1","3.28.0-0ubuntu1","3.28.2-0ubuntu1.2","3.28.2-0ubuntu1.3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"gdm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.28.2-0ubuntu1.4"}]}],"versions":["3.26.1-3ubuntu2","3.26.1-3ubuntu3","3.26.2.1-0ubuntu1","3.26.2.1-2ubuntu1","3.26.2.1-2ubuntu2","3.27.90-0ubuntu1","3.27.92-0ubuntu1","3.28.0-0ubuntu1","3.28.2-0ubuntu1.2","3.28.2-0ubuntu1.3"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"gdm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.38.2-2.7"}]}],"bundled":3}],"products":[{"vendor":"gnome","product":"gnome_display_manager"}],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2018/09/msg00003.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","article"]},{"url":"https://gitlab.gnome.org/GNOME/gdm/issues/401","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://usn.ubuntu.com/3737-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://www.debian.org/security/2018/dsa-4270","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/105179","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14424"},{"url":"https://github.com/advisories/GHSA-c4j5-hwcp-h2qq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-14424","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20182527-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1103737","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14424","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20182771-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1081947","tags":["report"]},{"url":"https://bugzilla.suse.com/1103093","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-14424","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3737-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-14424","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-12164","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-3825","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-14424","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.","status":"published","published":"2018-08-14T16:00:00Z","modified":"2024-08-05T09:29:51.661Z","updated_at":"2026-11-02T14:35:00.589142Z"}],"euvd":[{"id":"EUVD-2018-6341","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.","status":"published","published":"2018-08-14T16:00:00Z","modified":"2024-08-05T09:29:51Z","updated_at":"2026-11-03T02:39:46.696329Z"}],"ghsa":[{"id":"GHSA-c4j5-hwcp-h2qq","title":"The daemon in GDM through 3.29.1 does not properly unexport display objects from its D-Bus...","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.","status":"published","published":"2022-05-14T02:20:30Z","modified":"2023-02-02T05:05:58Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:52:12.693005Z"}],"nvd":[{"id":"CVE-2018-14424","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.","status":"published","published":"2018-08-14T18:29:00.493Z","modified":"2026-06-17T01:40:58.273Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:04:36.842579Z"}],"osv":[{"id":"CVE-2018-14424","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.","status":"published","published":"2018-08-14T18:29:00.493Z","modified":"2026-10-24T10:50:31.696039164Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:08.242347Z"},{"id":"DEBIAN-CVE-2018-14424","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.","status":"published","published":"2018-08-14T18:29:00.493Z","modified":"2026-10-23T18:03:47.515593914Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:30.290351Z"},{"id":"UBUNTU-CVE-2018-14424","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.","status":"published","published":"2018-08-13T00:00:00Z","modified":"2026-04-22T11:45:44.546271Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:17.014176Z"},{"id":"DLA-1494-1","title":"gdm3 - security update","status":"published","published":"2018-09-05T00:00:00Z","modified":"2026-03-09T01:00:56.686958Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"DSA-4270-1","title":"gdm3 - security update","status":"published","published":"2018-08-13T00:00:00Z","modified":"2026-03-09T02:09:25.285531Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"openSUSE-SU-2024:10780-1","title":"gdm-3.38.2-2.7 on GA media","description":"These are all security issues fixed in the gdm-3.38.2-2.7 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:38:43.269894Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2018:2527-1","title":"Security update for gdm","description":"This update for gdm fixes the following security issue:\n\n- CVE-2018-14424: The daemon in GDM did not properly unexport display objects\n  from its D-Bus interface when they are destroyed, which allowed a local\n  attacker to trigger a use-after-free via a specially crafted sequence of D-Bus\n  method calls, resulting in a denial of service or potential code execution\n  (bsc#1103737).\n","status":"published","published":"2018-08-27T09:17:19Z","modified":"2026-02-04T02:17:32.672847Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:2771-1","title":"Security update for gdm","description":"This update for gdm provides the following fixes:\n\nThis security issue was fixed:\n\n- CVE-2018-14424: The daemon in GDM did not properly unexport display objects\n  from its D-Bus interface when they are destroyed, which allowed a local\n  attacker to trigger a use-after-free via a specially crafted sequence of D-Bus\n  method calls, resulting in a denial of service or potential code execution\n  (bsc#1103737)\n\nThese non-security issues were fixed:\n\n- Enable pam_keyinit module (bsc#1081947)\n- Fix a build race in SLE (bsc#1103093)\n","status":"published","published":"2018-09-20T09:47:08Z","modified":"2026-02-04T04:39:08.313892Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"USN-3737-1","title":"gdm3 vulnerability","description":"A use-after-free was discovered in GDM. A local user could exploit this to\ncause a denial of service, or potentially execute arbitrary code as the\nadministrator.\n","status":"published","published":"2018-08-13T15:24:03Z","modified":"2026-04-27T15:21:44.739331Z","updated_at":"2026-11-02T16:58:14.019824Z"}]}}