{
  "GSD": {
    "alias": "CVE-2017-18258",
    "description": "The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.",
    "id": "GSD-2017-18258",
    "references": [
      "https://www.suse.com/security/cve/CVE-2017-18258.html",
      "https://access.redhat.com/errata/RHBA-2020:1540",
      "https://access.redhat.com/errata/RHBA-2020:1539",
      "https://access.redhat.com/errata/RHSA-2020:1190",
      "https://access.redhat.com/errata/RHSA-2018:2486",
      "https://ubuntu.com/security/CVE-2017-18258",
      "https://security.archlinux.org/CVE-2017-18258",
      "https://alas.aws.amazon.com/cve/html/CVE-2017-18258.html",
      "https://linux.oracle.com/cve/CVE-2017-18258.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "nokogiri",
            "purl": "pkg:gem/nokogiri"
          }
        }
      ],
      "aliases": [
        "CVE-2017-18258",
        "GHSA-882p-jqgm-f45g"
      ],
      "details": "The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial\nof service (memory consumption) via a crafted LZMA file, because the decoder functionality does\nnot restrict memory usage to what is required for a legitimate file.\n\nReferences:\n- https://nvd.nist.gov/vuln/detail/CVE-2017-18258\n- https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb\n- https://github.com/advisories/GHSA-882p-jqgm-f45g\n- https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10284\n- https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html\n- https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html\n- https://security.netapp.com/advisory/ntap-20190719-0001/\n- https://usn.ubuntu.com/3739-1/\n",
      "id": "GSD-2017-18258",
      "modified": "2018-04-13T00:00:00.000Z",
      "published": "2018-04-13T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb"
        }
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      "schema_version": "1.4.0",
      "severity": [
        {
          "score": 6.5,
          "type": "CVSS_V3"
        }
      ],
      "summary": "Moderate severity vulnerability that affects nokogiri"
    }
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      "cve": "2017-18258",
      "cvss_v3": 6.5,
      "date": "2018-04-13",
      "description": "The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial\nof service (memory consumption) via a crafted LZMA file, because the decoder functionality does\nnot restrict memory usage to what is required for a legitimate file.\n\nReferences:\n- https://nvd.nist.gov/vuln/detail/CVE-2017-18258\n- https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb\n- https://github.com/advisories/GHSA-882p-jqgm-f45g\n- https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10284\n- https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html\n- https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html\n- https://security.netapp.com/advisory/ntap-20190719-0001/\n- https://usn.ubuntu.com/3739-1/\n",
      "gem": "nokogiri",
      "ghsa": "882p-jqgm-f45g",
      "patched_versions": [
        "\u003e= 1.8.2"
      ],
      "title": "Moderate severity vulnerability that affects nokogiri",
      "url": "https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb"
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          "cwe_ids": [
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            "CWE-770",
            "CWE-937"
          ],
          "date": "2021-09-07",
          "description": "The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.",
          "fixed_versions": [
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          "identifier": "CVE-2017-18258",
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          "not_impacted": "All versions starting from 1.8.2",
          "package_slug": "gem/nokogiri",
          "pubdate": "2018-04-13",
          "solution": "Upgrade to version 1.8.2 or above.",
          "title": "Allocation of Resources Without Limits or Throttling",
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          "uuid": "e7935050-6ca4-464a-a64c-2d41942f0eca"
        },
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          "cwe_ids": [
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            "CWE-937"
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          "date": "2020-09-10",
          "description": "The xz_head function in xzlib.c in libxml2 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.",
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          "package_slug": "nuget/libxml2",
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          "solution": "Unfortunately, there is no solution available yet.",
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            "confidentialityImpact": "NONE",
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      "lastModifiedDate": "2020-09-10T01:15Z",
      "publishedDate": "2018-04-08T17:29Z"
    }
  }
}