{
  "cveId": "CVE-2021-3623",
  "url": "https://patchblox.com/security/cve/CVE-2021-3623",
  "summary": "CVE-2021-3623 is fixed in libtpms on 1 platform, first by DEBIAN-CVE-2021-3623, released March 2, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libtpms: A flaw was found in libtpms",
  "description": "A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability.",
  "published": "2022-03-02T23:15:08Z",
  "severity": "medium",
  "cvss": 6.1,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H",
  "epss": 0.00321,
  "epssPercentile": 0.25227,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libtpms",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "0.9.1-1",
      "fix": "DEBIAN-CVE-2021-3623",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-3623",
      "released": "2022-03-02T23:15:08Z"
    },
    {
      "platform": "linux",
      "product": "libtpms",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.9.1-1",
      "fix": "DEBIAN-CVE-2021-3623",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-3623",
      "released": "2022-03-02T23:15:08Z"
    },
    {
      "platform": "linux",
      "product": "libtpms",
      "release": "Debian 14",
      "fixedVersion": "0.9.1-1",
      "fix": "DEBIAN-CVE-2021-3623",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-3623",
      "released": "2022-03-02T23:15:08Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}