{
  "fix": "libcurl4t64 8.18.0-1ubuntu2.2",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libcurl4t64-8.18.0-1ubuntu2.2",
  "summary": "libcurl4t64 8.18.0-1ubuntu2.2, released June 26, 2026, fixes 10 CVEs in libcurl4t64. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "package",
  "title": "libcurl4t64 8.18.0-1ubuntu2.2 for Ubuntu 26.04.1 LTS (resolute)",
  "released": "2026-06-26T07:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-8925, rated Critical",
  "supported": true,
  "cveCount": 10,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0108,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "libcurl4t64",
      "productUrl": "https://patchblox.com/security/product/linux/libcurl4t64",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "8.18.0-1ubuntu2.2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-8925",
      "url": "https://patchblox.com/security/cve/CVE-2026-8925",
      "title": "curl: The curl logic that works with SASL authentication could end up cleaning up the GSASL context *twice* without clearin...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.0108,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9079",
      "url": "https://patchblox.com/security/cve/CVE-2026-9079",
      "title": "stale proxy password leak",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.01064,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-8924",
      "url": "https://patchblox.com/security/cve/CVE-2026-8924",
      "title": "trailing dot domain super cookie",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00661,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-8927",
      "url": "https://patchblox.com/security/cve/CVE-2026-8927",
      "title": "env-set cross-proxy Digest auth state leak",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.005,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9080",
      "url": "https://patchblox.com/security/cve/CVE-2026-9080",
      "title": "curl: Calling \u0060curl_easy_pause()\u0060 within the event-based \u0060CURLMOPT_SOCKETFUNCTION\u0060 callback triggers a use-after-free vulne...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.3,
      "epss": 0.00494,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-8926",
      "url": "https://patchblox.com/security/cve/CVE-2026-8926",
      "title": "password leak with netrc and user in URL",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00444,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9545",
      "url": "https://patchblox.com/security/cve/CVE-2026-9545",
      "title": "exposing HTTP/3 early data",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00408,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-8458",
      "url": "https://patchblox.com/security/cve/CVE-2026-8458",
      "title": "wrong reuse for different services",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.00371,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-9547",
      "url": "https://patchblox.com/security/cve/CVE-2026-9547",
      "title": "curl: When a libcurl-based application performs transfers via \u0060SCP://\u0060 or \u0060SFTP://\u0060 and utilizes the \u0060CURLOPT_SSH_KEYFUNCTI...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00361,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-8286",
      "url": "https://patchblox.com/security/cve/CVE-2026-8286",
      "title": "wrong STARTTLS connection reuse",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.00309,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T13:55:20Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}