{
  "fix": "libcurl4 7.58.0-2ubuntu3.24\u002Besm15",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libcurl4-7.58.0-2ubuntu3.24-esm15",
  "summary": "libcurl4 7.58.0-2ubuntu3.24\u002Besm15, released October 21, 2026, fixes 5 CVEs in libcurl4. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libcurl4 7.58.0-2ubuntu3.24\u002Besm15 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2026-10-21T16:54:57Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-87864, high severity",
  "supported": false,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01166,
  "maxCvss": 8.2,
  "appliesTo": [
    {
      "product": "libcurl4",
      "productUrl": "https://patchblox.com/security/product/linux/libcurl4",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7.58.0-2ubuntu3.24\u002Besm15",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-87864",
      "url": "https://patchblox.com/security/cve/CVE-2026-87864",
      "title": "IMAP APPEND plus CRLF conversion command injection",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00828,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86414",
      "url": "https://patchblox.com/security/cve/CVE-2026-86414",
      "title": "leaking host credentials to HTTP proxy",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00676,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-92391",
      "url": "https://patchblox.com/security/cve/CVE-2026-92391",
      "title": "curl_mime_free stack overflow by recursion",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.01166,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-92389",
      "url": "https://patchblox.com/security/cve/CVE-2026-92389",
      "title": "TFTP direction confusion",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.9,
      "epss": 0.00721,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-92388",
      "url": "https://patchblox.com/security/cve/CVE-2026-92388",
      "title": "libcurl3-gnutls: When an FTP wildcard \u0060LIST\u0060 operation fails, libcurl omits the restoration path meant for successful listings, leavin...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.00699,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T01:51:14Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}