{
  "cveId": "CVE-2021-43518",
  "url": "https://patchblox.com/security/cve/CVE-2021-43518",
  "summary": "CVE-2021-43518 is fixed in 3 products on 1 platform, first by teeworlds 0.7.5-2, released December 15, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "teeworlds: Teeworlds up to and including 0.7.5 is vulnerable to Buffer Overflow",
  "description": "Teeworlds up to and including 0.7.5 is vulnerable to Buffer Overflow. A map parser does not validate m_Channels value coming from a map file, leading to a buffer overflow. A malicious server may offer a specially crafted map that will overwrite client\u0027s stack causing denial of service or code execution.",
  "published": "2021-12-15T07:15:00Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.01427,
  "epssPercentile": 0.73132,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "teeworlds",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "0.7.5-2",
      "fix": "DEBIAN-CVE-2021-43518",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-43518",
      "released": "2021-12-15T15:15:10Z"
    },
    {
      "platform": "linux",
      "product": "teeworlds",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.7.5-2",
      "fix": "DEBIAN-CVE-2021-43518",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-43518",
      "released": "2021-12-15T15:15:10Z"
    },
    {
      "platform": "linux",
      "product": "teeworlds",
      "release": "Debian 14",
      "fixedVersion": "0.7.5-2",
      "fix": "DEBIAN-CVE-2021-43518",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-43518",
      "released": "2021-12-15T15:15:10Z"
    },
    {
      "platform": "linux",
      "product": "teeworlds",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "0.7.5-2",
      "fix": "teeworlds 0.7.5-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-teeworlds-0.7.5-2",
      "released": "2021-12-15T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "teeworlds",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "0.7.5-2",
      "fix": "teeworlds 0.7.5-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-teeworlds-0.7.5-2",
      "released": "2021-12-15T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "teeworlds",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "0.7.5-2",
      "fix": "teeworlds 0.7.5-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-teeworlds-0.7.5-2",
      "released": "2021-12-15T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "teeworlds-data",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "0.7.5-2",
      "fix": "teeworlds-data 0.7.5-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-teeworlds-data-0.7.5-2",
      "released": "2021-12-15T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "teeworlds-data",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "0.7.5-2",
      "fix": "teeworlds-data 0.7.5-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-teeworlds-data-0.7.5-2",
      "released": "2021-12-15T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "teeworlds-data",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "0.7.5-2",
      "fix": "teeworlds-data 0.7.5-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-teeworlds-data-0.7.5-2",
      "released": "2021-12-15T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "teeworlds-server",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "0.7.5-2",
      "fix": "teeworlds-server 0.7.5-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-teeworlds-server-0.7.5-2",
      "released": "2021-12-15T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "teeworlds-server",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "0.7.5-2",
      "fix": "teeworlds-server 0.7.5-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-teeworlds-server-0.7.5-2",
      "released": "2021-12-15T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "teeworlds-server",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "0.7.5-2",
      "fix": "teeworlds-server 0.7.5-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-teeworlds-server-0.7.5-2",
      "released": "2021-12-15T07:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}