{
  "fix": "python3-nltk 3.2.5-1ubuntu0.1\u002Besm4",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python3-nltk-3.2.5-1ubuntu0.1-esm4",
  "summary": "python3-nltk 3.2.5-1ubuntu0.1\u002Besm4, released March 20, 2026, fixes 6 CVEs in python3-nltk. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "python3-nltk 3.2.5-1ubuntu0.1\u002Besm4 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2026-03-20T16:16:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-0848, rated Critical",
  "supported": false,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01264,
  "maxCvss": 10,
  "appliesTo": [
    {
      "product": "python3-nltk",
      "productUrl": "https://patchblox.com/security/product/linux/python3-nltk",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.2.5-1ubuntu0.1\u002Besm4",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-0848",
      "url": "https://patchblox.com/security/cve/CVE-2026-0848",
      "title": "nltk: NLTK versions \u003C=3.9.2 are vulnerable to arbitrary code execution due to improper input validation in the StanfordSegm...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 10,
      "epss": 0.00841,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33231",
      "url": "https://patchblox.com/security/cve/CVE-2026-33231",
      "title": "nltk: NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials supporting researc...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.01264,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-0847",
      "url": "https://patchblox.com/security/cve/CVE-2026-0847",
      "title": "nltk: A vulnerability in NLTK versions up to and including 3.9.2 allows arbitrary file read via path traversal in multiple...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.01,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33236",
      "url": "https://patchblox.com/security/cve/CVE-2026-33236",
      "title": "nltk: NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials supporting researc...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00613,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-0846",
      "url": "https://patchblox.com/security/cve/CVE-2026-0846",
      "title": "nltk: A vulnerability in the \u0060filestring()\u0060 function of the \u0060nltk.util\u0060 module in nltk version 3.9.2 allows arbitrary file...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.0059,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33230",
      "url": "https://patchblox.com/security/cve/CVE-2026-33230",
      "title": "nltk: NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials supporting researc...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.1,
      "epss": 0.00344,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T07:45:43Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}