{
  "fix": "libcurl4 7.58.0-2ubuntu3.24",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libcurl4-7.58.0-2ubuntu3.24",
  "summary": "libcurl4 7.58.0-2ubuntu3.24, released March 19, 2023, 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 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2023-03-19T17:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-27534, high severity",
  "supported": false,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0244,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "libcurl4",
      "productUrl": "https://patchblox.com/security/product/linux/libcurl4",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7.58.0-2ubuntu3.24",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-27534",
      "url": "https://patchblox.com/security/cve/CVE-2023-27534",
      "title": "curl: fix SFTP path ~ resolving discrepancy",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.0244,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-27533",
      "url": "https://patchblox.com/security/cve/CVE-2023-27533",
      "title": "curl: fix TELNET option IAC injection",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 8.8,
      "epss": 0.02156,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-27535",
      "url": "https://patchblox.com/security/cve/CVE-2023-27535",
      "title": "curl: fix FTP too eager connection reuse",
      "priority": "High",
      "severity": "MODERATE",
      "cvss": 7.5,
      "epss": 0.01803,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-27536",
      "url": "https://patchblox.com/security/cve/CVE-2023-27536",
      "title": "curl: GSS delegation too eager connection re-use",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 5.9,
      "epss": 0.01758,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-27538",
      "url": "https://patchblox.com/security/cve/CVE-2023-27538",
      "title": "curl: fix SSH connection too eager reuse still",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 5.9,
      "epss": 0.01451,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T07:45:43Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}