Medium
teeworlds — security advisory
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.
- Products
- teeworlds
- Affected versions
- 0.7.5-1, 0.7.5-2, 0.7.5-3
- Fixed versions
- Not specified
- CVEs
- CVE-2023-31518
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:49 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2023-31518
teeworlds
Fixed versions: Not specified
teeworlds
Fixed versions: Not specified
teeworlds
Fixed versions: Not specified
teeworlds
Fixed versions: Not specified
teeworlds
Fixed versions: Not specified
Complete source record
{
"id": "9c67e23c97dc6839a3fa2187bd17715710c968752fe4590e3cb3805131853a89",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-31518",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2023-31518",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2023-31518",
"products": [
{
"name": {
"value": "teeworlds",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.7.5-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "teeworlds",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.7.5-2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "teeworlds",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.7.5-2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "teeworlds",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.7.5-3",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "teeworlds",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.7.5-2",
"evidence": "/affected/4/versions"
},
{
"value": "0.7.5-3",
"evidence": "/affected/4/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2023-31518",
"aliases": [
"UBUNTU-CVE-2023-31518"
],
"metrics": [
{
"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"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "teeworlds",
"purl": "pkg:deb/ubuntu/teeworlds?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"0.7.5-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31518.json"
},
"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"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "teeworlds",
"purl": "pkg:deb/ubuntu/teeworlds?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"0.7.5-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31518.json"
},
"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"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "teeworlds",
"purl": "pkg:deb/ubuntu/teeworlds?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"0.7.5-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31518.json"
},
"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"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "teeworlds",
"purl": "pkg:deb/ubuntu/teeworlds?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"0.7.5-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31518.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "teeworlds",
"binary_version": "0.7.5-3"
},
{
"binary_name": "teeworlds-data",
"binary_version": "0.7.5-3"
},
{
"binary_name": "teeworlds-server",
"binary_version": "0.7.5-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "teeworlds",
"purl": "pkg:deb/ubuntu/teeworlds?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"0.7.5-2",
"0.7.5-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31518.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "teeworlds",
"binary_version": "0.7.5-3"
},
{
"binary_name": "teeworlds-data",
"binary_version": "0.7.5-3"
},
{
"binary_name": "teeworlds-server",
"binary_version": "0.7.5-3"
}
]
}
}
],
"modified": "2026-10-17T12:56:05.601011737Z",
"provider": "osv",
"upstream": [
"CVE-2023-31518"
],
"references": [
"https://ubuntu.com/security/CVE-2023-31518",
"https://gist.github.com/manba-bryant/9ca95d69c65f4d2c55946932c946fb9b",
"https://github.com/teeworlds/teeworlds/issues/2970",
"https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds/",
"https://www.cve.org/CVERecord?id=CVE-2023-31518"
]
},
"related_cves": [
{
"value": "CVE-2023-31518",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354811,
"published_at": "2023-05-23T20:15:00+00:00"
}