{
  "cveId": "CVE-2020-27818",
  "url": "https://patchblox.com/security/cve/CVE-2020-27818",
  "summary": "CVE-2020-27818 is fixed in pngcheck on 1 platform, first by pngcheck 2.3.0-7ubuntu0.18.04.1~esm1, released August 23, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "pngcheck: A flaw was found in the check_chunk_name() function of pngcheck-2.4.0",
  "description": "A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.",
  "published": "2020-12-07T17:15:00Z",
  "severity": "Medium",
  "epss": 0.01218,
  "epssPercentile": 0.68808,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "pngcheck",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.3.0-7ubuntu0.18.04.1~esm1",
      "fix": "pngcheck 2.3.0-7ubuntu0.18.04.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-pngcheck-2.3.0-7ubuntu0.18.04.1-esm1",
      "released": "2022-08-23T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "pngcheck",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.3.0-7ubuntu0.20.04.1",
      "fix": "pngcheck 2.3.0-7ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-pngcheck-2.3.0-7ubuntu0.20.04.1",
      "released": "2022-08-23T13:15:00Z"
    }
  ],
  "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"
  }
}