{"id":"UBUNTU-CVE-2023-31518","details":"A heap use-after-free in the component CDataFileReader::GetItem of teeworlds v0.7.5 allows attackers to cause a Denial of Service (DoS) via a crafted map file.","modified":"2026-05-20T16:07:37.536059496Z","published":"2023-05-23T20:15:00Z","upstream":["CVE-2023-31518"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-31518"},{"type":"REPORT","url":"https://gist.github.com/manba-bryant/9ca95d69c65f4d2c55946932c946fb9b"},{"type":"REPORT","url":"https://github.com/teeworlds/teeworlds/issues/2970"},{"type":"REPORT","url":"https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-31518"}],"affected":[{"package":{"name":"teeworlds","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/teeworlds?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.5-1"],"ecosystem_specific":{"binaries":[{"binary_name":"teeworlds","binary_version":"0.7.5-1"},{"binary_name":"teeworlds-data","binary_version":"0.7.5-1"},{"binary_name":"teeworlds-server","binary_version":"0.7.5-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31518.json"}},{"package":{"name":"teeworlds","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/teeworlds?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.5-2"],"ecosystem_specific":{"binaries":[{"binary_name":"teeworlds","binary_version":"0.7.5-2"},{"binary_name":"teeworlds-data","binary_version":"0.7.5-2"},{"binary_name":"teeworlds-server","binary_version":"0.7.5-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31518.json"}},{"package":{"name":"teeworlds","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/teeworlds?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.5-2"],"ecosystem_specific":{"binaries":[{"binary_name":"teeworlds","binary_version":"0.7.5-2"},{"binary_name":"teeworlds-data","binary_version":"0.7.5-2"},{"binary_version":"0.7.5-2","binary_name":"teeworlds-server"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31518.json"}},{"package":{"name":"teeworlds","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/teeworlds?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.5-2","0.7.5-3"],"ecosystem_specific":{"binaries":[{"binary_name":"teeworlds","binary_version":"0.7.5-3"},{"binary_version":"0.7.5-3","binary_name":"teeworlds-data"},{"binary_name":"teeworlds-server","binary_version":"0.7.5-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31518.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}