{
  "fix": "ELSA-2021-2259",
  "url": "https://patchblox.com/security/fix/linux/elsa-2021-2259",
  "summary": "ELSA-2021-2259, released June 8, 2021, fixes 1 CVE across 8 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 8 packages",
  "released": "2021-06-08T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-23017, high severity",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.53461,
  "maxCvss": 9.4,
  "vendorAdvisory": "https://linux.oracle.com/errata/ELSA-2021-2259.html",
  "appliesTo": [
    {
      "product": "nginx",
      "productUrl": "https://patchblox.com/security/product/linux/nginx",
      "release": "ol 8",
      "fixedVersion": "1:1.18.0-3.0.1.module\u002Bel8.4.0\u002B20183\u002B8c128c59.1",
      "supported": true
    },
    {
      "product": "nginx-all-modules",
      "productUrl": "https://patchblox.com/security/product/linux/nginx-all-modules",
      "release": "ol 8",
      "fixedVersion": "1:1.18.0-3.0.1.module\u002Bel8.4.0\u002B20183\u002B8c128c59.1",
      "supported": true
    },
    {
      "product": "nginx-filesystem",
      "productUrl": "https://patchblox.com/security/product/linux/nginx-filesystem",
      "release": "ol 8",
      "fixedVersion": "1:1.18.0-3.0.1.module\u002Bel8.4.0\u002B20183\u002B8c128c59.1",
      "supported": true
    },
    {
      "product": "nginx-mod-http-image-filter",
      "productUrl": "https://patchblox.com/security/product/linux/nginx-mod-http-image-filter",
      "release": "ol 8",
      "fixedVersion": "1:1.18.0-3.0.1.module\u002Bel8.4.0\u002B20183\u002B8c128c59.1",
      "supported": true
    },
    {
      "product": "nginx-mod-http-perl",
      "productUrl": "https://patchblox.com/security/product/linux/nginx-mod-http-perl",
      "release": "ol 8",
      "fixedVersion": "1:1.18.0-3.0.1.module\u002Bel8.4.0\u002B20183\u002B8c128c59.1",
      "supported": true
    },
    {
      "product": "nginx-mod-http-xslt-filter",
      "productUrl": "https://patchblox.com/security/product/linux/nginx-mod-http-xslt-filter",
      "release": "ol 8",
      "fixedVersion": "1:1.18.0-3.0.1.module\u002Bel8.4.0\u002B20183\u002B8c128c59.1",
      "supported": true
    },
    {
      "product": "nginx-mod-mail",
      "productUrl": "https://patchblox.com/security/product/linux/nginx-mod-mail",
      "release": "ol 8",
      "fixedVersion": "1:1.18.0-3.0.1.module\u002Bel8.4.0\u002B20183\u002B8c128c59.1",
      "supported": true
    },
    {
      "product": "nginx-mod-stream",
      "productUrl": "https://patchblox.com/security/product/linux/nginx-mod-stream",
      "release": "ol 8",
      "fixedVersion": "1:1.18.0-3.0.1.module\u002Bel8.4.0\u002B20183\u002B8c128c59.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-23017",
      "url": "https://patchblox.com/security/cve/CVE-2021-23017",
      "title": "nginx-mod-mail: nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, a...",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.4,
      "epss": 0.53461,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}