{
  "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"
    }
  ],
  "record": {
    "id": "CVE-2022-41721",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-41721",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2023-01-13T22:46:22.064Z",
    "updatedAt": "2025-04-04T14:46:17.808Z",
    "importedAt": "2026-10-24T01:56:45.230Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Request smuggling due to improper request handling in golang.org/x/net/http2/h2c",
      "summary": "A request smuggling attack is possible when using MaxBytesHandler. When using MaxBytesHandler, the body of an HTTP request is not fully consumed. When the server attempts to read HTTP2 frames from the connection, it will instead be reading the body of the HTTP request, which could be attacker-manipulated to represent arbitrary HTTP2 requests.",
      "affected": [
        {
          "vendor": "golang.org/x/net",
          "product": "golang.org/x/net/http2/h2c",
          "packageName": "golang.org/x/net/http2/h2c",
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0.0.0-20220524220425-1d687d428aca",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "0.1.1-0.20221104162952-702349b0e862"
            }
          ]
        }
      ]
    }
  }
}