{
  "fix": "libnetty-java 4.1.48-2",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libnetty-java-4.1.48-2",
  "summary": "libnetty-java 4.1.48-2, released January 16, 2026, fixes 1 CVE in libnetty-java. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libnetty-java 4.1.48-2 for Ubuntu 24.10 (oracular)",
  "released": "2026-01-16T01:42:22Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes CVE-2021-21290",
  "supported": false,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01799,
  "appliesTo": [
    {
      "product": "libnetty-java",
      "productUrl": "https://patchblox.com/security/product/linux/libnetty-java",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "4.1.48-2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-21290",
      "url": "https://patchblox.com/security/cve/CVE-2021-21290",
      "title": "libnetty-java: Netty is an open-source, asynchronous event-driven network applicationframework for rapid development of maintainable...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01799,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}