{"id":"CVE-2015-8316","aliases":["DEBIAN-CVE-2015-8316","EUVD-2015-8200","GHSA-4p4w-jwhc-qwjq","MGASA-2015-0461","UBUNTU-CVE-2015-8316"],"status":"published","title":"Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the...","description":"Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01748,"percentile":0.77984,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-129"],"published":"2015-11-27T23:11:20Z","modified":"2026-09-09T07:01:52Z","fixes":[{"ecosystem":"Debian:12","package":"lightdm","fixed_in":["1.16.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"lightdm","fixed_in":["1.16.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"lightdm","fixed_in":["1.16.6-1"],"sources":["osv"]},{"ecosystem":"Mageia:5","package":"lightdm","fixed_in":["1.14.4-1.mga5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"lightdm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"lightdm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"lightdm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.6-1"}]}]},{"source":"osv","ecosystem":"Mageia:5","package":"lightdm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.4-1.mga5"}]}]}],"products":[{"vendor":"lightdm_project","product":"lightdm"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1284574","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"http://www.openwall.com/lists/oss-security/2015/11/22/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","VDB Entry","advisory","article"]},{"url":"https://bugs.launchpad.net/lightdm/+bug/1516831","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-8316"},{"url":"https://github.com/advisories/GHSA-4p4w-jwhc-qwjq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-8316","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2015-0461.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=17210","tags":["report"]},{"url":"http://openwall.com/lists/oss-security/2015/11/22/1","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-8316","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2015/11/21/2","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-8316","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-8316","description":"Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address.","status":"published","published":"2017-09-06T21:00:00Z","modified":"2024-08-06T08:13:32.032Z","updated_at":"2026-11-02T14:35:41.26549Z"}],"euvd":[{"id":"EUVD-2015-8200","description":"Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address.","status":"published","published":"2017-09-06T21:00:00Z","modified":"2024-08-06T08:13:32Z","updated_at":"2026-11-03T01:57:27.742981Z"}],"ghsa":[{"id":"GHSA-4p4w-jwhc-qwjq","title":"Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the...","description":"Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address.","status":"published","published":"2022-05-17T00:50:14Z","modified":"2023-02-03T05:02:35Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:53:11.686558Z"}],"nvd":[{"id":"CVE-2015-8316","description":"Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address.","status":"published","published":"2017-09-06T21:29:01.067Z","modified":"2026-06-17T00:34:18.423Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:03:19.244941Z"}],"osv":[{"id":"CVE-2015-8316","description":"Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address.","status":"published","published":"2017-09-06T21:29:01Z","modified":"2026-04-16T06:23:48.59710499Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:01.068991Z"},{"id":"DEBIAN-CVE-2015-8316","description":"Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address.","status":"published","published":"2017-09-06T21:29:01.067Z","modified":"2026-09-09T07:01:52.418168591Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:27.04239Z"},{"id":"UBUNTU-CVE-2015-8316","description":"Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address.","status":"withdrawn","published":"2017-09-06T21:29:00Z","modified":"2025-07-16T07:33:31.007606Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:10.737723Z"},{"id":"MGASA-2015-0461","title":"Updated lightdm packages fix security vulnerability","description":"Updated lightdm corrects a possible denial of service attack\n(CVE-2015-8316).\n","status":"published","published":"2015-11-27T23:11:20Z","modified":"2026-04-16T06:24:08.10879012Z","updated_at":"2026-11-02T15:49:39.792687Z"}]}}