{
  "cveId": "CVE-2020-24977",
  "url": "https://patchblox.com/security/cve/CVE-2020-24977",
  "summary": "CVE-2020-24977 is fixed in 5 products on 1 platform, first by RHSA-2021:1597, released May 18, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libxml2: The libxml2 library is a development toolbox providing the implementation of various XML standards.\n\nSecurity Fix(es)...",
  "description": "The libxml2 library is a development toolbox providing the implementation of various XML standards.\n\nSecurity Fix(es):\n\n* libxml2: Buffer overflow vulnerability in xmlEncodeEntitiesInternal() in entities.c (CVE-2020-24977)\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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.",
  "published": "2020-09-03T17:15:00Z",
  "severity": "Moderate",
  "cvss": 6.5,
  "epss": 0.02976,
  "epssPercentile": 0.87345,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libxml2",
      "release": "RHEL 8",
      "fixedVersion": "0:2.9.7-9.el8",
      "fix": "RHSA-2021:1597",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1597",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libxml2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.4\u002Bdfsg1-6.1ubuntu1.4",
      "fix": "libxml2 2.9.4\u002Bdfsg1-6.1ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libxml2-2.9.4-dfsg1-6.1ubuntu1.4",
      "released": "2021-06-01T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libxml2",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.9.10\u002Bdfsg-5ubuntu0.20.04.1",
      "fix": "libxml2 2.9.10\u002Bdfsg-5ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libxml2-2.9.10-dfsg-5ubuntu0.20.04.1",
      "released": "2021-06-01T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libxml2",
      "release": "ol 8",
      "fixedVersion": "0:2.9.7-9.0.1.el8",
      "fix": "ELSA-2021-1597",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1597",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libxml2-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.9.7-9.el8",
      "fix": "RHSA-2021:1597",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1597",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libxml2-devel",
      "release": "ol 8",
      "fixedVersion": "0:2.9.7-9.0.1.el8",
      "fix": "ELSA-2021-1597",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1597",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libxml2-utils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.4\u002Bdfsg1-6.1ubuntu1.4",
      "fix": "libxml2-utils 2.9.4\u002Bdfsg1-6.1ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libxml2-utils-2.9.4-dfsg1-6.1ubuntu1.4",
      "released": "2021-06-01T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libxml2-utils",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.9.10\u002Bdfsg-5ubuntu0.20.04.1",
      "fix": "libxml2-utils 2.9.10\u002Bdfsg-5ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libxml2-utils-2.9.10-dfsg-5ubuntu0.20.04.1",
      "released": "2021-06-01T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python-libxml2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.4\u002Bdfsg1-6.1ubuntu1.4",
      "fix": "python-libxml2 2.9.4\u002Bdfsg1-6.1ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python-libxml2-2.9.4-dfsg1-6.1ubuntu1.4",
      "released": "2021-06-01T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python-libxml2",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.9.10\u002Bdfsg-5ubuntu0.20.04.1",
      "fix": "python-libxml2 2.9.10\u002Bdfsg-5ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-python-libxml2-2.9.10-dfsg-5ubuntu0.20.04.1",
      "released": "2021-06-01T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-libxml2",
      "release": "RHEL 8",
      "fixedVersion": "0:2.9.7-9.el8",
      "fix": "RHSA-2021:1597",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1597",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-libxml2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.4\u002Bdfsg1-6.1ubuntu1.4",
      "fix": "python3-libxml2 2.9.4\u002Bdfsg1-6.1ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python3-libxml2-2.9.4-dfsg1-6.1ubuntu1.4",
      "released": "2021-06-01T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-libxml2",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.9.10\u002Bdfsg-5ubuntu0.20.04.1",
      "fix": "python3-libxml2 2.9.10\u002Bdfsg-5ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-python3-libxml2-2.9.10-dfsg-5ubuntu0.20.04.1",
      "released": "2021-06-01T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-libxml2",
      "release": "ol 8",
      "fixedVersion": "0:2.9.7-9.0.1.el8",
      "fix": "ELSA-2021-1597",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1597",
      "released": "2021-05-25T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}