{
  "fix": "libnetty-java 4.1.48-6",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libnetty-java-4.1.48-6",
  "summary": "libnetty-java 4.1.48-6, released January 16, 2026, fixes 5 CVEs in libnetty-java. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libnetty-java 4.1.48-6 for Ubuntu 25.04 (plucky)",
  "released": "2026-01-16T01:42:24Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2022-41881, high severity",
  "supported": false,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.06565,
  "maxCvss": 7.5,
  "appliesTo": [
    {
      "product": "libnetty-java",
      "productUrl": "https://patchblox.com/security/product/linux/libnetty-java",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "4.1.48-6",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2022-41881",
      "url": "https://patchblox.com/security/cve/CVE-2022-41881",
      "title": "libnetty-java: Netty project is an event-driven asynchronous network applicationframework",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.01577,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-37137",
      "url": "https://patchblox.com/security/cve/CVE-2021-37137",
      "title": "libnetty-java: The Snappy frame decoder function doesn\u0027t restrict the chunk length whichmay lead to excessive memory usage",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.06565,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-37136",
      "url": "https://patchblox.com/security/cve/CVE-2021-37136",
      "title": "libnetty-java: The Bzip2 decompression decoder function doesn\u0027t allow setting sizerestrictions on the decompressed output data (whic...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.05908,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-43797",
      "url": "https://patchblox.com/security/cve/CVE-2021-43797",
      "title": "libnetty-java: Netty is an asynchronous event-driven network application framework forrapid development of maintainable high perform...",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.02884,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-41915",
      "url": "https://patchblox.com/security/cve/CVE-2022-41915",
      "title": "libnetty-java: Netty project is an event-driven asynchronous network applicationframework",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00952,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T19:38:12Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}