{
  "fix": "ELSA-2020-4756",
  "url": "https://patchblox.com/security/fix/linux/elsa-2020-4756",
  "summary": "ELSA-2020-4756, released November 10, 2020, fixes 3 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 4 packages",
  "released": "2020-11-10T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2019-15892, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.059,
  "maxCvss": 7.5,
  "vendorAdvisory": "https://linux.oracle.com/errata/ELSA-2020-4756.html",
  "appliesTo": [
    {
      "product": "varnish",
      "productUrl": "https://patchblox.com/security/product/linux/varnish",
      "release": "ol 8",
      "fixedVersion": "0:6.0.6-2.module\u002Bel8.3.0\u002B7653\u002B45014445",
      "supported": true
    },
    {
      "product": "varnish-devel",
      "productUrl": "https://patchblox.com/security/product/linux/varnish-devel",
      "release": "ol 8",
      "fixedVersion": "0:6.0.6-2.module\u002Bel8.3.0\u002B7653\u002B45014445",
      "supported": true
    },
    {
      "product": "varnish-docs",
      "productUrl": "https://patchblox.com/security/product/linux/varnish-docs",
      "release": "ol 8",
      "fixedVersion": "0:6.0.6-2.module\u002Bel8.3.0\u002B7653\u002B45014445",
      "supported": true
    },
    {
      "product": "varnish-modules",
      "productUrl": "https://patchblox.com/security/product/linux/varnish-modules",
      "release": "ol 8",
      "fixedVersion": "0:0.15.0-5.module\u002Bel8.3.0\u002B7653\u002B45014445",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2019-15892",
      "url": "https://patchblox.com/security/cve/CVE-2019-15892",
      "title": "varnish: Varnish Cache is a high-performance HTTP accelerator",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.059,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-11653",
      "url": "https://patchblox.com/security/cve/CVE-2020-11653",
      "title": "varnish: Varnish Cache is a high-performance HTTP accelerator",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.02159,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-20637",
      "url": "https://patchblox.com/security/cve/CVE-2019-20637",
      "title": "varnish: Varnish Cache is a high-performance HTTP accelerator",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.0179,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}