Security advisory

{
  "id": "394f6d9c49e193e33fdb31e2df8948b3db37506f50778efbbee6fd51ab9dd0c0",
  "url": "https://osv.dev/vulnerability/CVE-2020-7659",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-7659",
    "summary": "reel through 0.6.1 allows Request Smuggling attacks due to incorrect Content-Length and Transfer encoding header parsing. It is possible to conduct HTTP request smuggling attacks by sending the Content-Length header twice. Furthermore, invalid Transfer Encoding headers were found to be parsed as valid which could be leveraged for TE:CL smuggling attacks. Note: This project is deprecated, and is not maintained any more.",
    "evidence": "osv:CVE-2020-7659",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-7659",
      "aliases": [
        "CVE-2020-7659",
        "GHSA-x3v4-pxvm-63j8",
        "SNYK-RUBY-REEL-569135"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/celluloid/reel",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "99d184d5502bff5ba8a16f6ce7fd89161f62f183"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:celluloid:reel:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.6.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.6.1",
            "v0.6.0",
            "v0.5.0",
            "v0.5.0.pre",
            "v0.4.0",
            "v0.4.0.pre7",
            "v0.4.0.pre6",
            "v0.4.0.pre5",
            "v0.4.0.pre4",
            "v0.4.0.pre3",
            "v0.4.0.pre2",
            "v0.4.0.pre",
            "v0.3.0",
            "v0.3.0.pre",
            "v0.2.0",
            "v0.2.0.pre",
            "v0.1.0",
            "v0.0.2",
            "v0.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7659.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:22.644937846Z",
      "provider": "osv",
      "references": [
        "https://snyk.io/vuln/SNYK-RUBY-REEL-569135"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-7659",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430724,
  "published_at": "2020-06-01T13:15:10.313+00:00"
}