{
  "cveId": "CVE-2021-42383",
  "url": "https://patchblox.com/security/cve/CVE-2021-42383",
  "summary": "CVE-2021-42383 is fixed in busybox on 1 platform, first by DEBIAN-CVE-2021-42383, released November 15, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "busybox: A use-after-free in Busybox\u0027s awk applet leads to denial of service and possibly code execution when processing a cra...",
  "description": "A use-after-free in Busybox\u0027s awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the evaluate function",
  "published": "2021-11-15T21:15:08Z",
  "severity": "high",
  "cvss": 7.2,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.02215,
  "epssPercentile": 0.82735,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "busybox",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:1.35.0-1",
      "fix": "DEBIAN-CVE-2021-42383",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-42383",
      "released": "2021-11-15T21:15:08Z"
    },
    {
      "platform": "linux",
      "product": "busybox",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:1.35.0-1",
      "fix": "DEBIAN-CVE-2021-42383",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-42383",
      "released": "2021-11-15T21:15:08Z"
    },
    {
      "platform": "linux",
      "product": "busybox",
      "release": "Debian 14",
      "fixedVersion": "1:1.35.0-1",
      "fix": "DEBIAN-CVE-2021-42383",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-42383",
      "released": "2021-11-15T21:15:08Z"
    }
  ],
  "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"
  }
}