{
  "fix": "ALAS2023-2025-1155",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1155",
  "summary": "ALAS2023-2025-1155, released August 18, 2025, fixes 4 CVEs across 5 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 5 packages",
  "released": "2025-08-18T23:13:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-5987, high severity",
  "supported": true,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01886,
  "maxCvss": 8.1,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2025-1155.html",
  "appliesTo": [
    {
      "product": "libssh",
      "productUrl": "https://patchblox.com/security/product/linux/libssh",
      "release": "amzn 2023",
      "fixedVersion": "0.10.6-1.amzn2023.0.2",
      "supported": true
    },
    {
      "product": "libssh-config",
      "productUrl": "https://patchblox.com/security/product/linux/libssh-config",
      "release": "amzn 2023",
      "fixedVersion": "0.10.6-1.amzn2023.0.2",
      "supported": true
    },
    {
      "product": "libssh-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/libssh-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "0.10.6-1.amzn2023.0.2",
      "supported": true
    },
    {
      "product": "libssh-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/libssh-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "0.10.6-1.amzn2023.0.2",
      "supported": true
    },
    {
      "product": "libssh-devel",
      "productUrl": "https://patchblox.com/security/product/linux/libssh-devel",
      "release": "amzn 2023",
      "fixedVersion": "0.10.6-1.amzn2023.0.2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-5987",
      "url": "https://patchblox.com/security/cve/CVE-2025-5987",
      "title": "Libssh: invalid return code for chacha20 poly1305 with openssl backend",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.0173,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "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-2025-5351",
      "url": "https://patchblox.com/security/cve/CVE-2025-5351",
      "title": "Libssh: double free vulnerability in libssh key export functions",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.0063,
      "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
    }
  ],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}