{
  "cveId": "CVE-2021-41689",
  "url": "https://patchblox.com/security/cve/CVE-2021-41689",
  "summary": "CVE-2021-41689 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2021-41689, released June 28, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "dcmtk: DCMTK through 3.6.6 does not handle string copy properly",
  "description": "DCMTK through 3.6.6 does not handle string copy properly. Sending specific requests to the dcmqrdb program, it would query its database and copy the result even if the result is null, which can incur a head-based overflow. An attacker can use it to launch a DoS attack.",
  "published": "2022-06-28T06:15:00Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.01945,
  "epssPercentile": 0.80307,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "dcmtk",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.6.7-1",
      "fix": "DEBIAN-CVE-2021-41689",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-41689",
      "released": "2022-06-28T13:15:10Z"
    },
    {
      "platform": "linux",
      "product": "dcmtk",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.6.7-1",
      "fix": "DEBIAN-CVE-2021-41689",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-41689",
      "released": "2022-06-28T13:15:10Z"
    },
    {
      "platform": "linux",
      "product": "dcmtk",
      "release": "Debian 14",
      "fixedVersion": "3.6.7-1",
      "fix": "DEBIAN-CVE-2021-41689",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-41689",
      "released": "2022-06-28T13:15:10Z"
    },
    {
      "platform": "linux",
      "product": "dcmtk",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.6.2-3ubuntu0.1~esm1",
      "fix": "dcmtk 3.6.2-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dcmtk-3.6.2-3ubuntu0.1-esm1",
      "released": "2022-12-02T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dcmtk",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.6.4-2.1ubuntu0.1~esm1",
      "fix": "dcmtk 3.6.4-2.1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-dcmtk-3.6.4-2.1ubuntu0.1-esm1",
      "released": "2022-12-02T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "dcmtk",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.6.6-5ubuntu0.1~esm1",
      "fix": "dcmtk 3.6.6-5ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dcmtk-3.6.6-5ubuntu0.1-esm1",
      "released": "2022-12-02T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libdcmtk12",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.6.2-3ubuntu0.1~esm1",
      "fix": "libdcmtk12 3.6.2-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libdcmtk12-3.6.2-3ubuntu0.1-esm1",
      "released": "2022-12-02T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libdcmtk14",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.6.4-2.1ubuntu0.1~esm1",
      "fix": "libdcmtk14 3.6.4-2.1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libdcmtk14-3.6.4-2.1ubuntu0.1-esm1",
      "released": "2022-12-02T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libdcmtk16",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.6.6-5ubuntu0.1~esm1",
      "fix": "libdcmtk16 3.6.6-5ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libdcmtk16-3.6.6-5ubuntu0.1-esm1",
      "released": "2022-12-02T08:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}