Security advisory

{
  "id": "a61555fa43d8ed8d0d64186c2708503457443fd9867620a0dc5cc47808efa849",
  "url": "https://osv.dev/vulnerability/CVE-2020-35884",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35884",
    "summary": "An issue was discovered in the tiny_http crate through 2020-06-16 for Rust. HTTP Request smuggling can occur via a malformed Transfer-Encoding header.",
    "evidence": "osv:CVE-2020-35884",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-35884",
      "aliases": [
        "CVE-2020-35884",
        "GHSA-7v2r-wxmg-mgvc",
        "RUSTSEC-2020-0031"
      ],
      "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/tiny-http/tiny-http",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "179cfea26a3b9413e95ad622b6161ec37d39285d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:tiny-http_project:tiny-http:*:*:*:*:*:rust:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.7.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.6.2",
            "0.7.0",
            "0.6.0",
            "0.5.9",
            "0.5.8",
            "0.5.7",
            "0.5.6",
            "0.5.5",
            "0.5.4",
            "0.5.3",
            "0.5.2",
            "0.5.1",
            "0.5.0",
            "0.4.1",
            "0.4.0",
            "0.3.0",
            "0.2.1",
            "0.2.0",
            "0.1.1",
            "0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35884.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:17.066621293Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3JDNRE5RXJOWZZZF5QSCG4GUCSLTHF2/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VO6SRTCEPEYO2OX647I3H5XUWLFDRDWL/",
        "https://rustsec.org/advisories/RUSTSEC-2020-0031.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "34"
                  },
                  {
                    "last_affected": "34"
                  },
                  {
                    "introduced": "35"
                  },
                  {
                    "last_affected": "35"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-35884",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429482,
  "published_at": "2020-12-31T10:15:16.333+00:00"
}