{
  "fix": "jhead 1:3.04-1ubuntu0.2\u002Besm1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-jhead-1-3.04-1ubuntu0.2-esm1",
  "summary": "jhead 1:3.04-1ubuntu0.2\u002Besm1, released March 23, 2022, fixes 3 CVEs in jhead. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "jhead 1:3.04-1ubuntu0.2\u002Besm1 for Ubuntu 20.04 LTS (focal)",
  "released": "2022-03-23T14:15:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-28277, high severity",
  "supported": false,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01065,
  "maxCvss": 7.8,
  "appliesTo": [
    {
      "product": "jhead",
      "productUrl": "https://patchblox.com/security/product/linux/jhead",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:3.04-1ubuntu0.2\u002Besm1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-28277",
      "url": "https://patchblox.com/security/cve/CVE-2021-28277",
      "title": "jhead: A Heap-based Buffer Overflow vulnerabilty exists in jhead 3.04 and 3.05 is affected by: Buffer Overflow via the Remov...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.8,
      "epss": 0.00867,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3496",
      "url": "https://patchblox.com/security/cve/CVE-2021-3496",
      "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.",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01065,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-28275",
      "url": "https://patchblox.com/security/cve/CVE-2021-28275",
      "title": "jhead: A Denial of Service vulnerability exists in jhead 3.04 and 3.05 due to a wild address read in the Get16u function in...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00664,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T20:04:13Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}