BREW-SHERLOCK-CVE-2017-5992 (GHSA-CHQF-HX79-GXC6)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:34 – Updated: 2026-09-10 01:12 – Source website
VLAI
Summary
Improper Restriction of XML External Entity Reference in Openpyxl
Details

Openpyxl 2.4.1 resolves external entities by default, which allows remote attackers to conduct XXE attacks via a crafted .xlsx document.

Severity
8.2 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:H
6.4 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:N/SA:H
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "resource": "openpyxl",
        "resource_purl": "pkg:pypi/openpyxl@3.1.5",
        "upstream_fixed_in": "2.4.2"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "sherlock",
        "purl": "pkg:brew/sherlock"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.16.0_4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "PyPI",
        "key": "pkg:pypi/openpyxl@3.1.5",
        "name": "openpyxl",
        "resource": "openpyxl",
        "strategy": "registry",
        "subject_version": "3.1.5"
      }
    ]
  },
  "details": "Openpyxl 2.4.1 resolves external entities by default, which allows remote attackers to conduct XXE attacks via a crafted .xlsx document.",
  "id": "BREW-sherlock-CVE-2017-5992",
  "modified": "2026-09-10T01:12:51Z",
  "published": "2026-08-13T17:34:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-5992"
    },
    {
      "type": "WEB",
      "url": "https://bitbucket.org/openpyxl/openpyxl/commits/3b4905f428e1"
    },
    {
      "type": "WEB",
      "url": "https://bitbucket.org/openpyxl/openpyxl/issues/749"
    },
    {
      "type": "WEB",
      "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854442"
    },
    {
      "type": "PACKAGE",
      "url": "https://foss.heptapod.net/openpyxl/openpyxl"
    },
    {
      "type": "WEB",
      "url": "https://foss.heptapod.net/openpyxl/openpyxl/-/commit/7fe678fd89fd"
    },
    {
      "type": "WEB",
      "url": "https://foss.heptapod.net/openpyxl/openpyxl/-/issues/749"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-chqf-hx79-gxc6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/openpyxl/PYSEC-2017-48.yaml"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2017/02/07/5"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:N/SA:H",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Improper Restriction of XML External Entity Reference in Openpyxl",
  "upstream": [
    "GHSA-chqf-hx79-gxc6",
    "CVE-2017-5992",
    "PYSEC-2017-48"
  ]
}



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