{
  "cveId": "CVE-2022-44640",
  "url": "https://patchblox.com/security/cve/CVE-2022-44640",
  "summary": "CVE-2022-44640 is fixed in 24 products on 1 platform, first by DEBIAN-CVE-2022-44640, released December 25, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "libgssapi3-heimdal: Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec...",
  "description": "Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).",
  "published": "2022-12-24T21:15:00Z",
  "severity": "Medium",
  "cvss": 9.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.02349,
  "epssPercentile": 0.83784,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "heimdal",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "7.8.git20221115.a6cf945\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2022-44640",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-44640",
      "released": "2022-12-25T05:15:11Z"
    },
    {
      "platform": "linux",
      "product": "heimdal",
      "release": "Debian 13.5 (trixie)",
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      "released": "2022-12-25T05:15:11Z"
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      "product": "heimdal",
      "release": "Debian 14",
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      "fix": "DEBIAN-CVE-2022-44640",
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      "released": "2022-12-25T05:15:11Z"
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      "release": "Ubuntu 18.04.6 LTS (bionic)",
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      "released": "2022-12-25T21:15:00Z"
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      "release": "Ubuntu 20.04 LTS (focal)",
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      "released": "2022-12-25T21:15:00Z"
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      "released": "2022-12-25T21:15:00Z"
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsl0-heimdal-7.5.0-dfsg-1ubuntu0.3",
      "released": "2022-12-25T21:15:00Z"
    },
    {
      "platform": "linux",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libsl0-heimdal-7.7.0-dfsg-1ubuntu1.3",
      "released": "2022-12-25T21:15:00Z"
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      "released": "2022-12-25T21:15:00Z"
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    {
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      "released": "2022-12-25T21:15:00Z"
    },
    {
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      "product": "samba",
      "release": "Debian 12.15 (bookworm)",
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      "fix": "DEBIAN-CVE-2022-44640",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-44640",
      "released": "2022-12-25T05:15:11Z"
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    {
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    {
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      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-44640",
      "released": "2022-12-25T05:15:11Z"
    }
  ],
  "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"
  }
}