{
  "cveId": "CVE-2020-22283",
  "url": "https://patchblox.com/security/cve/CVE-2020-22283",
  "summary": "CVE-2020-22283 is fixed in liblwip0 on 1 platform by liblwip0 2.1.2\u002Bdfsg1-4ubuntu0.1~esm1 (version 2.1.2\u002Bdfsg1-4ubuntu0.1~esm1), released May 18, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "liblwip0: A buffer overflow vulnerability in the icmp6_send_response_with_addrs_and_netif() function of Free Software Foundatio...",
  "description": "A buffer overflow vulnerability in the icmp6_send_response_with_addrs_and_netif() function of Free Software Foundation lwIP version git head allows attackers to access sensitive information via a crafted ICMPv6 packet.",
  "published": "2021-07-22T13:15:00Z",
  "severity": "Medium",
  "epss": 0.01416,
  "epssPercentile": 0.72921,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "liblwip0",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.1.2\u002Bdfsg1-4ubuntu0.1~esm1",
      "fix": "liblwip0 2.1.2\u002Bdfsg1-4ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-liblwip0-2.1.2-dfsg1-4ubuntu0.1-esm1",
      "released": "2026-05-18T12:16:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}