Security advisory

{
  "id": "b2b555d11ca0bc1ae5e55f4ad98673e9d3e4afda342db7ffb3534da4b2163b2b",
  "url": "https://osv.dev/vulnerability/CVE-2021-22960",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-22960",
    "summary": "The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.",
    "evidence": "osv:CVE-2021-22960",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-22960",
      "aliases": [
        "CVE-2021-22960"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/graalvm/graalvm-ce-builds",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9e3645fe9e0c84e1350c4b88cfb9fdf432c97fce"
                },
                {
                  "last_affected": "2b9eb103d1668cf5eac22fe85bdad7513681d9e3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:oracle:graalvm:20.3.4:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "20.3.4"
                      },
                      {
                        "last_affected": "20.3.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:oracle:graalvm:21.3.0:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "21.3.0"
                      },
                      {
                        "last_affected": "21.3.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "20.3.4",
            "21.3.0",
            "vm-21.3.0",
            "vm-20.3.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22960.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/nodejs/llhttp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "d6ea943d8d1c5092f4bf6e10a6a32cfb2dbeaae3"
                },
                {
                  "introduced": "c6a35cccf5c8b36f82036c23cf9c50a7dc2dbd0a"
                },
                {
                  "fixed": "69d6db2008508489d19267a0dcab30602b16fc5b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:llhttp:llhttp:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.1.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:llhttp:llhttp:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "6.0.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v5.1.0",
            "v2.1.3",
            "v6.0.5",
            "v6.0.4",
            "v6.0.3",
            "v6.0.2",
            "v6.0.1",
            "v6.0.0",
            "v4.0.0",
            "v5.0.0",
            "v3.0.0",
            "v2.1.1",
            "v2.1.0",
            "v2.0.5",
            "v2.0.4",
            "v2.0.3",
            "v2.0.2",
            "v2.0.1",
            "v2.0.0",
            "v1.1.4",
            "v1.1.3",
            "v1.1.2",
            "v1.1.1",
            "v1.1.0",
            "v1.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22960.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:59.769346470Z",
      "provider": "osv",
      "references": [
        "https://www.debian.org/security/2022/dsa-5170",
        "https://hackerone.com/reports/1238099",
        "https://www.oracle.com/security-alerts/cpujan2022.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "11.0"
                  },
                  {
                    "last_affected": "11.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-22960",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 439388,
  "published_at": "2021-11-03T20:15:08.247+00:00"
}