{
  "fix": "libssh2-1 1.10.0-3ubuntu0.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libssh2-1-1.10.0-3ubuntu0.1",
  "summary": "libssh2-1 1.10.0-3ubuntu0.1, released July 24, 2026, fixes 4 CVEs in libssh2-1. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "package",
  "title": "libssh2-1 1.10.0-3ubuntu0.1 for Ubuntu 22.04.1 LTS (jammy)",
  "released": "2026-07-24T10:17:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-66032, high severity",
  "supported": true,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00476,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "libssh2-1",
      "productUrl": "https://patchblox.com/security/product/linux/libssh2-1",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.10.0-3ubuntu0.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-66032",
      "url": "https://patchblox.com/security/cve/CVE-2026-66032",
      "title": "libssh2 Double-Free Heap Corruption via sftp_open()",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00476,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58050",
      "url": "https://patchblox.com/security/cve/CVE-2026-58050",
      "title": "libssh2 - Integer Overflow in publickey Subsystem Attribute Allocation",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00444,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-66034",
      "url": "https://patchblox.com/security/cve/CVE-2026-66034",
      "title": "libssh2 Heap Out-of-Bounds Read via publickey subsystem",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00416,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58051",
      "url": "https://patchblox.com/security/cve/CVE-2026-58051",
      "title": "libssh2_org: uninitialized pointer freed when malformed responses are sent by an SSH server (bsc#1269567).",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00286,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T07:53:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}