{
  "schema_version": "1.4.0",
  "id": "GHSA-hj5j-c8qp-mgmv",
  "modified": "2024-04-04T01:02:40Z",
  "published": "2022-05-24T16:48:36Z",
  "aliases": [
    "CVE-2018-20843"
  ],
  "details": "In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20843"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libexpat/libexpat/issues/186"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libexpat/libexpat/pull/262"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6"
    },
    {
      "type": "WEB",
      "url": "https://www.tenable.com/security/tns-2021-11"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuapr2020.html"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2019/dsa-4472"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4040-2"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4040-1"
    },
    {
      "type": "WEB",
      "url": "https://support.f5.com/csp/article/K51011533"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20190703-0001"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201911-08"
    },
    {
      "type": "WEB",
      "url": "https://seclists.org/bugtraq/2019/Jun/39"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes"
    },
    {
      "type": "WEB",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-611"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-06-24T17:15:00Z"
  }
}