{
  "cveId": "CVE-2021-3496",
  "url": "https://patchblox.com/security/cve/CVE-2021-3496",
  "summary": "CVE-2021-3496 is fixed in jhead on 1 platform, first by jhead 1:3.00-8~ubuntu0.2\u002Besm1, released March 23, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "jhead: A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file.",
  "description": "A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file.",
  "published": "2021-04-22T12:15:00Z",
  "severity": "Medium",
  "epss": 0.01065,
  "epssPercentile": 0.6489,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "jhead",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:3.00-8~ubuntu0.2\u002Besm1",
      "fix": "jhead 1:3.00-8~ubuntu0.2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-jhead-1-3.00-8-ubuntu0.2-esm1",
      "released": "2022-03-23T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "jhead",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:3.04-1ubuntu0.2\u002Besm1",
      "fix": "jhead 1:3.04-1ubuntu0.2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-jhead-1-3.04-1ubuntu0.2-esm1",
      "released": "2022-03-23T14:15:00Z"
    }
  ],
  "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"
  }
}