GHSA-94M8-RGR8-RG5G

Vulnerability from github – Published: 2022-11-23 00:30 – Updated: 2025-04-29 06:30
VLAI?
Details

An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2022-40303"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-11-23T00:15:00Z",
    "severity": "HIGH"
  },
  "details": "An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.",
  "id": "GHSA-94m8-rgr8-rg5g",
  "modified": "2025-04-29T06:30:37Z",
  "published": "2022-11-23T00:30:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-40303"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.gnome.org/GNOME/libxml2/-/commit/c846986356fc149915a74972bf198abc266bc2c0"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20221209-0003"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/kb/HT213531"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/kb/HT213533"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/kb/HT213534"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/kb/HT213535"
    },
    {
      "type": "WEB",
      "url": "https://support.apple.com/kb/HT213536"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2022/Dec/21"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2022/Dec/24"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2022/Dec/25"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2022/Dec/26"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2022/Dec/27"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.