{
  "fix": "OPENSUSE-SU-2026:21057-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21057-1",
  "summary": "OPENSUSE-SU-2026:21057-1, released June 25, 2026, fixes 2 CVEs in libssh2_org (version 1.11.1-160000.4.1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "libssh2_org security update",
  "released": "2026-06-25T11:51:43Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-55200, high severity",
  "supported": true,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.03877,
  "maxCvss": 8.3,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2026:21057-1",
  "appliesTo": [
    {
      "product": "libssh2_org",
      "productUrl": "https://patchblox.com/security/product/linux/libssh2-org",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.11.1-160000.4.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-55200",
      "url": "https://patchblox.com/security/cve/CVE-2026-55200",
      "title": "libssh2: libssh2 1.11.1, fixed in commit 97acf3d, contains an out-of-bounds write vulnerability in ssh2_transport_read() that...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.03877,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-55199",
      "url": "https://patchblox.com/security/cve/CVE-2026-55199",
      "title": "libssh2 - Pre-Authentication DoS via SSH_MSG_EXT_INFO Handler",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00918,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}