Security advisory

{
  "id": "c24e7ac0beb752f511e481323a91268a64b0c4fb69da70b4e4a229ee8eabb126",
  "url": "https://osv.dev/vulnerability/CVE-2023-31518",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "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:CVE-2023-31518",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-31518",
      "aliases": [
        "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"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/teeworlds/teeworlds",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4fc25a17fef3e6c2bf4d52b0421e0d69ecaa1e79"
                },
                {
                  "last_affected": "4fc25a17fef3e6c2bf4d52b0421e0d69ecaa1e79"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:teeworlds:teeworlds:0.7.5:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.7.5"
                      },
                      {
                        "last_affected": "0.7.5"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.7.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-31518.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:35.303766168Z",
      "provider": "osv",
      "references": [
        "https://gist.github.com/manba-bryant/9ca95d69c65f4d2c55946932c946fb9b",
        "https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31518.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-31518",
        "https://github.com/teeworlds/teeworlds/issues/2970"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31518.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-31518",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 502223,
  "published_at": "2023-05-23T00:00:00+00:00"
}