data/cve/v5/GO-2025-3563.json

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0",
  "cveMetadata": {
    "cveId": "CVE-2025-22871"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc"
      },
      "title": "Request smuggling due to acceptance of invalid chunked data in net/http",
      "descriptions": [
        {
          "lang": "en",
          "value": "The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext."
        }
      ],
      "affected": [
        {
          "vendor": "Go standard library",
          "product": "net/http/internal",
          "collectionURL": "https://pkg.go.dev",
          "packageName": "net/http/internal",
          "versions": [
            {
              "version": "0",
              "lessThan": "1.23.8",
              "status": "affected",
              "versionType": "semver"
            },
            {
              "version": "1.24.0-0",
              "lessThan": "1.24.2",
              "status": "affected",
              "versionType": "semver"
            }
          ],
          "programRoutines": [
            {
              "name": "readChunkLine"
            },
            {
              "name": "chunkedReader.Read"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://go.dev/cl/652998"
        },
        {
          "url": "https://go.dev/issue/71988"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/Y2uBTVKjBQk"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2025-3563"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Jeppe Bonde Weikop"
        }
      ]
    }
  }
}