{"id":"CVE-2018-19217","aliases":["AZL-40988","BELL-CVE-2018-19217","DEBIAN-CVE-2018-19217","EUVD-2018-10926","GHSA-gm6j-8p43-6m5w","UBUNTU-CVE-2018-19217"],"status":"disputed","title":"** DISPUTED ** In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the...","description":"In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack. NOTE: the original report stated version 6.1, but the issue did not reproduce for that version according to the maintainer or a reliable third-party","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01159,"percentile":0.67331,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2018-11-12T19:00:00Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Debian:12","package":"ncurses","fixed_in":["6.0+20170701-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ncurses","fixed_in":["6.0+20170701-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ncurses","fixed_in":["6.0+20170701-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"ncurses","fixed_in":["5.9+20140118-1ubuntu1+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"ncurses","fixed_in":["6.0+20160213-1ubuntu1+esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"ncurses","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"6.4-3"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"ncurses","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0+20170701-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ncurses","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0+20170701-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ncurses","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0+20170701-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"ncurses","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9+20140118-1ubuntu1+esm1"}]}],"versions":["5.9+20130608-1ubuntu1","5.9+20131221-1ubuntu1","5.9+20140118-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"ncurses","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0+20160213-1ubuntu1+esm1"}]}],"versions":["5.9+20150516-2ubuntu1","6.0+20151024-2ubuntu1","6.0+20151024-2ubuntu2","6.0+20160213-1ubuntu1"]}],"products":[{"vendor":"invisible-island","product":"ncurses"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1643753","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-19217","tags":["web"]},{"url":"https://github.com/advisories/GHSA-gm6j-8p43-6m5w"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2018-19217","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-19217","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-19217","tags":["report"]},{"url":"https://lists.gnu.org/archive/html/bug-ncurses/2019-04/msg00020.html","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-19217","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-19217","description":"In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack. NOTE: the original report stated version 6.1, but the issue did not reproduce for that version according to the maintainer or a reliable third-party","status":"disputed","published":"2018-11-12T19:00:00Z","modified":"2024-08-05T11:30:04.034Z","updated_at":"2026-11-02T14:35:03.288698Z"}],"euvd":[{"id":"EUVD-2018-10926","description":"In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack. NOTE: the original report stated version 6.1, but the issue did not reproduce for that version according to the maintainer or a reliable third-party","status":"published","published":"2018-11-12T19:00:00Z","modified":"2024-08-05T11:30:04Z","updated_at":"2026-11-03T02:39:33.782065Z"}],"ghsa":[{"id":"GHSA-gm6j-8p43-6m5w","title":"** DISPUTED ** In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the...","description":"** DISPUTED ** In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack. NOTE: the original report stated version 6.1, but the issue did not reproduce for that version according to the maintainer or a reliable third-party.","status":"published","published":"2022-05-14T01:09:20Z","modified":"2023-02-02T05:03:10Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:51:35.055103Z"}],"nvd":[{"id":"CVE-2018-19217","description":"In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack. NOTE: the original report stated version 6.1, but the issue did not reproduce for that version according to the maintainer or a reliable third-party","status":"disputed","published":"2018-11-12T19:29:00.597Z","modified":"2026-07-23T18:58:25.76Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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-476"],"updated_at":"2026-11-02T14:04:47.196456Z"}],"osv":[{"id":"AZL-40988","title":"CVE-2018-19217 affecting package ncurses 6.4-3","description":"In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack. NOTE: the original report stated version 6.1, but the issue did not reproduce for that version according to the maintainer or a reliable third-party","status":"published","published":"2018-11-12T19:29:00Z","modified":"2026-11-05T05:40:51Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-05T16:41:19.893001Z"},{"id":"BELL-CVE-2018-19217","title":"CVE-2018-19217 does not affect BellSoft software","status":"withdrawn","published":"2018-11-12T19:29:00Z","modified":"2026-01-26T09:46:20.311885Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:14.701973Z"},{"id":"CVE-2018-19217","description":"In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack. NOTE: the original report stated version 6.1, but the issue did not reproduce for that version according to the maintainer or a reliable third-party","status":"published","published":"2018-11-12T19:29:00.597Z","modified":"2026-07-08T19:44:51.668553Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:08.834469Z"},{"id":"DEBIAN-CVE-2018-19217","description":"In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack. NOTE: the original report stated version 6.1, but the issue did not reproduce for that version according to the maintainer or a reliable third-party","status":"published","published":"2018-11-12T19:29:00.597Z","modified":"2026-10-23T18:03:20.335159779Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:30.57382Z"},{"id":"UBUNTU-CVE-2018-19217","description":"In ncurses, possibly a 6.x version, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack. NOTE: the original report stated version 6.1, but the issue did not reproduce for that version according to the maintainer or a reliable third-party","status":"published","published":"2018-11-12T19:29:00Z","modified":"2026-04-22T11:51:21.392731Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:17.496046Z"}]}}
