{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "incident": {
    "id": "ghsa-9v8h-qqgm-4m35",
    "url": "https://cveboard.org/i/ghsa-9v8h-qqgm-4m35",
    "urlPt": "https://cveboard.org/pt/i/ghsa-9v8h-qqgm-4m35",
    "json": "https://cveboard.org/i/ghsa-9v8h-qqgm-4m35.json",
    "kind": "vuln",
    "live": true,
    "knownExploited": false,
    "severity": "critical",
    "title": "Brotli: Out-of-bounds write in the Brotli decoder (\"Node2Shell\") also affects the PyPI Brotli package",
    "summary": "A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream.",
    "titlePt": "Brotli: escrita fora dos limites no decodificador Brotli (\"Node2Shell\") também afeta o pacote Brotli do PyPI",
    "summaryPt": "Uma vulnerabilidade de transbordamento de buffer no decodificador Brotli (c/dec/decode.c) no Google Brotli versões 1.0.3 até 1.2.0 em todas as plataformas permite que um atacante remoto não autenticado corrompa a memória do estado do decodificador adjacente, divulgue o conteúdo da memória sensível, cause uma negação de serviço ou, potencialmente, execute código arbitrário usando um fluxo Brotli comprimido criado de forma maliciosa.",
    "affected": [],
    "omitted": 0,
    "references": [],
    "cwes": [],
    "ssvc": null,
    "fix": "listed",
    "tags": [
      "pip"
    ],
    "cves": [],
    "ghsa": "GHSA-9v8h-qqgm-4m35",
    "cvss": {
      "score": 9.2,
      "version": "4.0",
      "by": "GitHub"
    },
    "epss": null,
    "packages": [
      {
        "ecosystem": "pip",
        "name": "brotli",
        "vulnerable": ">= 1.0.3, < 1.2.1",
        "fixed": "1.2.1",
        "advisory": "GHSA-9v8h-qqgm-4m35"
      },
      {
        "ecosystem": "pip",
        "name": "brotlicffi",
        "vulnerable": ">= 1.0.3, < 1.2.1.0",
        "fixed": "1.2.1.0",
        "advisory": "GHSA-9v8h-qqgm-4m35"
      }
    ],
    "vendor": null,
    "product": null,
    "kev": null,
    "breach": null,
    "retracted": false,
    "sources": [
      {
        "label": "GitHub Advisory Database",
        "url": "https://github.com/advisories/GHSA-9v8h-qqgm-4m35"
      }
    ],
    "cvePending": false,
    "publishedAt": "2026-10-22T15:32:49.000Z",
    "updatedAt": "2026-10-22T15:32:49.000Z"
  },
  "live": true,
  "events": [
    {
      "id": "ghsa:GHSA-9v8h-qqgm-4m35:ghsa_published:2026-10-22T15:32:49.000Z",
      "incidentId": "ghsa-9v8h-qqgm-4m35",
      "type": "ghsa_published",
      "at": "2026-10-22T15:32:49.000Z",
      "detail": {
        "ghsa": "GHSA-9v8h-qqgm-4m35",
        "severity": "critical",
        "fixed": "1.2.1, 1.2.1.0"
      }
    }
  ]
}