{"id":"CVE-2020-14983","aliases":["DEBIAN-CVE-2020-14983","EUVD-2020-7113","GHSA-cvfr-xv48-v96r","MGASA-2020-0302","UBUNTU-CVE-2020-14983","openSUSE-SU-2020:0928-1","openSUSE-SU-2020:0939-1","openSUSE-SU-2020:0947-1","openSUSE-SU-2024:10680-1"],"status":"published","title":"The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled...","description":"The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0269,"percentile":0.86006,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-120"],"published":"2020-06-22T19:13:34Z","modified":"2026-10-26T12:02:27Z","fixes":[{"ecosystem":"Debian:12","package":"chocolate-doom","fixed_in":["3.0.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"chocolate-doom","fixed_in":["3.0.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"chocolate-doom","fixed_in":["3.0.1-1"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"crispy-doom","fixed_in":["5.9.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"crispy-doom","fixed_in":["5.9.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"crispy-doom","fixed_in":["5.9.0-1"],"sources":["osv"]},{"ecosystem":"Mageia:7","package":"chocolate-doom","fixed_in":["3.0.1-1.mga7"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.1","package":"chocolate-doom","fixed_in":["3.0.1-lp151.3.3.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.2","package":"chocolate-doom","fixed_in":["3.0.1-lp152.4.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Package Hub 15 SP1","package":"chocolate-doom","fixed_in":["3.0.1-bp151.4.3.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"chocolate-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"chocolate-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"chocolate-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"crispy-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"crispy-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"crispy-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.0-1"}]}]},{"source":"osv","ecosystem":"Mageia:7","package":"chocolate-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.1-1.mga7"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"chocolate-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.0-1","2.2.1-1","2.2.1-2","2.2.1-2.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"chocolate-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.0-3","3.0.0-1","3.0.0-3","3.0.0-4"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"chocolate-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.0-4","3.0.0-5"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"crispy-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6-1","5.6.3-1","5.6.3-2","5.6.4-1"]},{"source":"osv","ecosystem":"openSUSE:Leap 15.1","package":"chocolate-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.1-lp151.3.3.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.2","package":"chocolate-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.1-lp152.4.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP1","package":"chocolate-doom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.1-bp151.4.3.1"}]}]}],"products":[{"vendor":"chocolate-doom","product":"chocolate_doom"},{"vendor":"chocolate-doom","product":"crispy_doom"},{"vendor":"opensuse","product":"backports"},{"vendor":"opensuse","product":"leap"}],"references":[{"url":"https://github.com/chocolate-doom/chocolate-doom/issues/1293","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix","report"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14983"},{"url":"https://github.com/advisories/GHSA-cvfr-xv48-v96r"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-14983","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0302.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=26915","tags":["report"]},{"url":"https://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-14983","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-14983","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/AYBM53OFXOY7T3DKPPHK7ZW635BUSQES/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1173595","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14983","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/CY7HT3HHISHNUZ7EKXQIOB6AG53K75CZ/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/U4VQ5PKXQEOGHXMJKK3JPXEJ4LSUWAAF/","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-14983","description":"The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.","status":"published","published":"2020-06-22T19:13:34Z","modified":"2024-08-04T13:00:52.077Z","updated_at":"2026-11-02T14:35:46.873079Z"}],"euvd":[{"id":"EUVD-2020-7113","description":"The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.","status":"published","published":"2020-06-22T19:13:34Z","modified":"2024-08-04T13:00:52Z","updated_at":"2026-11-03T03:07:33.617168Z"}],"ghsa":[{"id":"GHSA-cvfr-xv48-v96r","title":"The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled...","description":"The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.","status":"published","published":"2022-05-24T17:21:25Z","modified":"2023-01-27T21:16:22Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:43:22.211542Z"}],"nvd":[{"id":"CVE-2020-14983","description":"The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.","status":"published","published":"2020-06-22T20:15:11.38Z","modified":"2026-06-17T02:55:52.59Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:07.249892Z"}],"osv":[{"id":"CVE-2020-14983","description":"The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.","status":"published","published":"2020-06-22T20:15:11.38Z","modified":"2026-10-24T10:47:48.425638474Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"DEBIAN-CVE-2020-14983","description":"The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.","status":"published","published":"2020-06-22T20:15:11.38Z","modified":"2026-10-26T12:02:27.561916073Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:33.384087Z"},{"id":"UBUNTU-CVE-2020-14983","description":"The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.","status":"published","published":"2020-06-22T20:15:00Z","modified":"2025-10-24T04:48:35Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:23.344108Z"},{"id":"MGASA-2020-0302","title":"Updated chocolate-doom packages fix security vulnerability","description":"The server in Chocolate Doom 3.0.0 doesn't validate the user-controlled\nnum_players value, leading to a buffer overflow. A malicious user can\noverwrite the server's stack (CVE-2020-14983).\n","status":"published","published":"2020-07-31T23:25:42Z","modified":"2026-04-16T04:44:37.033095526Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"openSUSE-SU-2020:0928-1","title":"Security update for chocolate-doom","description":"This update for chocolate-doom to version 3.0.1 fixes the following issues:\n\n- CVE-2020-14983: Fixed a stack-based buffer overflow in the networking code (boo#1173595).\n","status":"published","published":"2020-07-05T12:16:18Z","modified":"2026-02-04T03:53:47.968899Z","updated_at":"2026-11-02T16:58:31.152112Z"},{"id":"openSUSE-SU-2020:0939-1","title":"Security update for chocolate-doom","description":"This update for chocolate-doom to version 3.0.1 fixes the following issues:\n\n- CVE-2020-14983: Fixed a stack-based buffer overflow in the networking code (boo#1173595).\n","status":"published","published":"2020-07-06T22:28:50Z","modified":"2026-02-04T03:36:16.86988Z","updated_at":"2026-11-02T16:58:31.152112Z"},{"id":"openSUSE-SU-2020:0947-1","title":"Security update for chocolate-doom","description":"This update for chocolate-doom to version 3.0.1 fixes the following issues:\n\n- CVE-2020-14983: Fixed a stack-based buffer overflow in the networking code (boo#1173595).\n\nThis update was imported from the openSUSE:Leap:15.1:Update update project.","status":"published","published":"2020-07-08T14:26:14Z","modified":"2026-02-04T04:03:51.88932Z","updated_at":"2026-11-02T16:58:31.152112Z"},{"id":"openSUSE-SU-2024:10680-1","title":"chocolate-doom-3.0.1-2.2 on GA media","description":"These are all security issues fixed in the chocolate-doom-3.0.1-2.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:30:03.094842Z","updated_at":"2026-11-02T16:58:34.487567Z"}]}}