{"id":"UBUNTU-CVE-2020-14983","details":"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.","modified":"2025-10-24T04:48:35Z","published":"2020-06-22T20:15:00Z","upstream":["CVE-2020-14983"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-14983"},{"type":"REPORT","url":"https://github.com/chocolate-doom/chocolate-doom/issues/1293"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-14983"}],"affected":[{"package":{"name":"chocolate-doom","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/chocolate-doom@2.2.1-2.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.0-1","2.2.1-1","2.2.1-2","2.2.1-2.1"],"ecosystem_specific":{"binaries":[{"binary_name":"chocolate-common","binary_version":"2.2.1-2.1"},{"binary_name":"chocolate-doom","binary_version":"2.2.1-2.1"},{"binary_name":"chocolate-heretic","binary_version":"2.2.1-2.1"},{"binary_name":"chocolate-hexen","binary_version":"2.2.1-2.1"},{"binary_name":"chocolate-strife","binary_version":"2.2.1-2.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14983.json"}},{"package":{"name":"chocolate-doom","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/chocolate-doom@3.0.0-4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.0-3","3.0.0-1","3.0.0-3","3.0.0-4"],"ecosystem_specific":{"binaries":[{"binary_name":"chocolate-common","binary_version":"3.0.0-4"},{"binary_name":"chocolate-doom","binary_version":"3.0.0-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14983.json"}},{"package":{"name":"chocolate-doom","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/chocolate-doom@3.0.0-5?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.0-4","3.0.0-5"],"ecosystem_specific":{"binaries":[{"binary_name":"chocolate-doom","binary_version":"3.0.0-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14983.json"}},{"package":{"name":"crispy-doom","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/crispy-doom@5.6.4-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6-1","5.6.3-1","5.6.3-2","5.6.4-1"],"ecosystem_specific":{"binaries":[{"binary_name":"crispy-doom","binary_version":"5.6.4-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14983.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}