{
  "cveId": "CVE-2021-24032",
  "url": "https://patchblox.com/security/cve/CVE-2021-24032",
  "summary": "CVE-2021-24032 is fixed in 2 products on 1 platform, first by libzstd1 1.3.3\u002Bdfsg-2ubuntu1.2, released February 19, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libzstd1: Beginning in v1.4.1 and prior to v1.4.9, due to an incomplete fix forCVE-2021-24031, the Zstandard command-line utili...",
  "description": "Beginning in v1.4.1 and prior to v1.4.9, due to an incomplete fix forCVE-2021-24031, the Zstandard command-line utility created output fileswith default permissions and restricted those permissions immediatelyafterwards. Output files could therefore momentarily be readable orwritable to unintended parties.",
  "published": "2021-02-19T16:00:00Z",
  "severity": "Medium",
  "epss": 0.00348,
  "epssPercentile": 0.28678,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libzstd1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.3.3\u002Bdfsg-2ubuntu1.2",
      "fix": "libzstd1 1.3.3\u002Bdfsg-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libzstd1-1.3.3-dfsg-2ubuntu1.2",
      "released": "2021-02-19T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libzstd1",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.4.4\u002Bdfsg-3ubuntu0.1",
      "fix": "libzstd1 1.4.4\u002Bdfsg-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libzstd1-1.4.4-dfsg-3ubuntu0.1",
      "released": "2021-02-19T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libzstd1",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "1.4.8\u002Bdfsg-2build1",
      "fix": "libzstd1 1.4.8\u002Bdfsg-2build1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libzstd1-1.4.8-dfsg-2build1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "libzstd1",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "1.4.8\u002Bdfsg-2build1",
      "fix": "libzstd1 1.4.8\u002Bdfsg-2build1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libzstd1-1.4.8-dfsg-2build1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "zstd",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.3.3\u002Bdfsg-2ubuntu1.2",
      "fix": "zstd 1.3.3\u002Bdfsg-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-zstd-1.3.3-dfsg-2ubuntu1.2",
      "released": "2021-02-19T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zstd",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.4.4\u002Bdfsg-3ubuntu0.1",
      "fix": "zstd 1.4.4\u002Bdfsg-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-zstd-1.4.4-dfsg-3ubuntu0.1",
      "released": "2021-02-19T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zstd",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "1.4.8\u002Bdfsg-2build1",
      "fix": "zstd 1.4.8\u002Bdfsg-2build1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-zstd-1.4.8-dfsg-2build1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "zstd",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "1.4.8\u002Bdfsg-2build1",
      "fix": "zstd 1.4.8\u002Bdfsg-2build1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-zstd-1.4.8-dfsg-2build1",
      "released": "2026-01-16T01:42:24Z"
    }
  ],
  "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"
  }
}