{
  "fix": "libssh-4 0.9.3-2ubuntu2.5\u002Besm1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.5-esm1",
  "summary": "libssh-4 0.9.3-2ubuntu2.5\u002Besm1, released June 24, 2025, fixes 3 CVEs in libssh-4. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libssh-4 0.9.3-2ubuntu2.5\u002Besm1 for Ubuntu 20.04 LTS (focal)",
  "released": "2025-06-24T17:00:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 3 CVEs, none high severity",
  "supported": false,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01886,
  "maxCvss": 6.5,
  "appliesTo": [
    {
      "product": "libssh-4",
      "productUrl": "https://patchblox.com/security/product/linux/libssh-4",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "0.9.3-2ubuntu2.5\u002Besm1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-5318",
      "url": "https://patchblox.com/security/cve/CVE-2025-5318",
      "title": "Libssh: out-of-bounds read in sftp_handle()",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.4,
      "epss": 0.01886,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-4878",
      "url": "https://patchblox.com/security/cve/CVE-2025-4878",
      "title": "Libssh: use of uninitialized variable in privatekey_from_file()",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00228,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-4877",
      "url": "https://patchblox.com/security/cve/CVE-2025-4877",
      "title": "Libssh: write beyond bounds in binary to base64 conversion functions",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00219,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T19:57:06Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}