BREW-PSUTILS-CVE-2026-102993 (GHSA-QV6H-RV94-W285)

Vulnerability from osv_homebrew – Published: 2026-10-02 10:47 – Updated: 2026-10-02 10:47 – Source website
VLAI
Summary
pypdf: Possible large memory usage when retrieving Roman page labels
Details

Impact

An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large Roman numerals.

Patches

This has been fixed in pypdf==6.17.0.

Workarounds

If you cannot upgrade yet, consider applying the changes from PR #4047.

Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "resource": "pypdf",
        "resource_purl": "pkg:pypi/pypdf@6.17.0",
        "upstream_fixed_in": "6.17.0"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "psutils",
        "purl": "pkg:brew/psutils"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0"
            },
            {
              "fixed": "3.3.17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "PyPI",
        "key": "pkg:pypi/pypdf@6.17.0",
        "name": "pypdf",
        "resource": "pypdf",
        "strategy": "registry",
        "subject_version": "6.17.0"
      }
    ]
  },
  "details": "### Impact\n\nAn attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large Roman numerals.\n\n### Patches\n\nThis has been fixed in [pypdf==6.17.0](https://github.com/py-pdf/pypdf/releases/tag/6.17.0).\n\n### Workarounds\n\nIf you cannot upgrade yet, consider applying the changes from PR [#4047](https://github.com/py-pdf/pypdf/pull/4047).",
  "id": "BREW-psutils-CVE-2026-102993",
  "modified": "2026-10-02T10:47:53Z",
  "published": "2026-10-02T10:47:53Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/py-pdf/pypdf/security/advisories/GHSA-qv6h-rv94-w285"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-102993"
    },
    {
      "type": "WEB",
      "url": "https://github.com/py-pdf/pypdf/pull/4047"
    },
    {
      "type": "WEB",
      "url": "https://github.com/py-pdf/pypdf/commit/89db7c4fe9315ecc964bfdf05a4e8c4b94175163"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/py-pdf/pypdf"
    },
    {
      "type": "WEB",
      "url": "https://github.com/py-pdf/pypdf/releases/tag/6.17.0"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "pypdf: Possible large memory usage when retrieving Roman page labels",
  "upstream": [
    "GHSA-qv6h-rv94-w285",
    "CVE-2026-102993",
    "PYSEC-2026-4158"
  ]
}



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