{
  "cveId": "CVE-2020-27221",
  "url": "https://patchblox.com/security/cve/CVE-2020-27221",
  "summary": "CVE-2020-27221 is fixed in 8 products on 1 platform, first by RHSA-2021:0736, released March 4, 2021. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "java-1.8.0-ibm: IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit.\n\nThis upda...",
  "description": "IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit.\n\nThis update upgrades IBM Java SE 8 to version 8 SR6-FP25.\n\nSecurity Fix(es):\n\n* IBM JDK: Stack-based buffer overflow when converting from UTF-8 characters to platform encoding (CVE-2020-27221)\n\n* OpenJDK: Unexpected exceptions raised by DOMKeyInfoFactory and DOMXMLSignatureFactory (Security, 8231415) (CVE-2020-2773)\n\n* OpenJDK: Credentials sent over unencrypted LDAP connection (JNDI, 8237990) (CVE-2020-14781)\n\n* OpenJDK: Certificate blacklist bypass via alternate certificate encodings (Libraries, 8237995) (CVE-2020-14782)\n\n* OpenJDK: Race condition in NIO Buffer boundary checks (Libraries, 8244136) (CVE-2020-14803)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2021-03-04T00:00:00Z",
  "severity": "Critical",
  "cvss": 9.8,
  "epss": 0.01551,
  "epssPercentile": 0.75249,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "java-1.8.0-ibm",
      "release": "RHEL 8",
      "fixedVersion": "1:1.8.0.6.25-2.el8_3",
      "fix": "RHSA-2021:0736",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-0736",
      "released": "2021-03-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "java-1.8.0-ibm-demo",
      "release": "RHEL 8",
      "fixedVersion": "1:1.8.0.6.25-2.el8_3",
      "fix": "RHSA-2021:0736",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-0736",
      "released": "2021-03-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "java-1.8.0-ibm-devel",
      "release": "RHEL 8",
      "fixedVersion": "1:1.8.0.6.25-2.el8_3",
      "fix": "RHSA-2021:0736",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-0736",
      "released": "2021-03-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "java-1.8.0-ibm-headless",
      "release": "RHEL 8",
      "fixedVersion": "1:1.8.0.6.25-2.el8_3",
      "fix": "RHSA-2021:0736",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-0736",
      "released": "2021-03-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "java-1.8.0-ibm-jdbc",
      "release": "RHEL 8",
      "fixedVersion": "1:1.8.0.6.25-2.el8_3",
      "fix": "RHSA-2021:0736",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-0736",
      "released": "2021-03-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "java-1.8.0-ibm-plugin",
      "release": "RHEL 8",
      "fixedVersion": "1:1.8.0.6.25-2.el8_3",
      "fix": "RHSA-2021:0736",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-0736",
      "released": "2021-03-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "java-1.8.0-ibm-src",
      "release": "RHEL 8",
      "fixedVersion": "1:1.8.0.6.25-2.el8_3",
      "fix": "RHSA-2021:0736",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-0736",
      "released": "2021-03-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "java-1.8.0-ibm-webstart",
      "release": "RHEL 8",
      "fixedVersion": "1:1.8.0.6.25-2.el8_3",
      "fix": "RHSA-2021:0736",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-0736",
      "released": "2021-03-04T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}