{
  "schema_version": "1.3.1",
  "id": "GO-2021-0159",
  "modified": "0001-01-01T00:00:00Z",
  "published": "2022-01-05T21:39:14Z",
  "aliases": [
    "CVE-2015-5739",
    "CVE-2015-5740",
    "CVE-2015-5741"
  ],
  "summary": "Request smuggling due to improper header parsing in net/http",
  "details": "HTTP headers were not properly parsed, which allows remote attackers to conduct HTTP request smuggling attacks via a request that contains Content-Length and Transfer-Encoding header fields.",
  "affected": [
    {
      "package": {
        "name": "stdlib",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.3"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "net/http",
            "symbols": [
              "CanonicalMIMEHeaderKey",
              "body.readLocked",
              "canonicalMIMEHeaderKey",
              "chunkWriter.writeHeader",
              "fixLength",
              "fixTransferEncoding",
              "readTransfer",
              "transferWriter.shouldSendContentLength",
              "validHeaderFieldByte"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "FIX",
      "url": "https://go.dev/cl/13148"
    },
    {
      "type": "FIX",
      "url": "https://go.googlesource.com/go/+/26049f6f9171d1190f3bbe05ec304845cfe6399f"
    },
    {
      "type": "FIX",
      "url": "https://go.dev/cl/11772"
    },
    {
      "type": "FIX",
      "url": "https://go.dev/cl/11810"
    },
    {
      "type": "FIX",
      "url": "https://go.dev/cl/12865"
    },
    {
      "type": "FIX",
      "url": "https://go.googlesource.com/go/+/117ddcb83d7f42d6aa72241240af99ded81118e9"
    },
    {
      "type": "FIX",
      "url": "https://go.googlesource.com/go/+/300d9a21583e7cf0149a778a0611e76ff7c6680f"
    },
    {
      "type": "FIX",
      "url": "https://go.googlesource.com/go/+/c2db5f4ccc61ba7df96a747e268a277b802cbb87"
    },
    {
      "type": "REPORT",
      "url": "https://go.dev/issue/12027"
    },
    {
      "type": "REPORT",
      "url": "https://go.dev/issue/11930"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce/c/iSIyW4lM4hY/m/ADuQR4DiDwAJ"
    }
  ],
  "credits": [
    {
      "name": "Jed Denlea"
    },
    {
      "name": "Régis Leroy"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2021-0159"
  }
}