Security advisory

{
  "id": "c40d59dd4401cc4f3073dcb9e3656b6b0f85fdcbdfbb35d9157fa055daa9cb9c",
  "url": "https://osv.dev/vulnerability/CVE-2020-35901",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35901",
    "summary": "An issue was discovered in the actix-http crate before 2.0.0-alpha.1 for Rust. There is a use-after-free in BodyStream.",
    "evidence": "osv:CVE-2020-35901",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-35901",
      "aliases": [
        "CVE-2020-35901",
        "GHSA-v3j6-xf77-8r9c",
        "RUSTSEC-2020-0048"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/actix/actix-web",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "acda1c075a000a8b94f04b25b8d3668954d7938e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:actix:actix-http:*:*:*:*:*:rust:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "web-v1.0.1",
            "http-test-v0.2.2",
            "http-v0.2.4",
            "cors-v0.1.0",
            "files-v0.1.2",
            "identity-v0.1.0",
            "web-v1.0.0",
            "http-test-v0.2.1",
            "awc-v0.2.1",
            "codegen-v0.1.2",
            "session-v0.1.1",
            "files-v0.1.1",
            "http-v0.2.3",
            "multipart-v0.1.2",
            "codegen-v0.1.1",
            "actors-v1.0.0",
            "http-v0.2.2",
            "multipart-v0.1.1",
            "http-v0.2.1",
            "files-v0.1.0",
            "session-v0.1.0",
            "multipart-v0.1.0",
            "web-v1.0.0-rc",
            "codegen-v0.1.0",
            "web-v1.0.0-beta.4",
            "framed-v0.2.0",
            "awc-v0.2.0",
            "http-v0.2.0",
            "web-v1.0.0-beta.3",
            "http-v0.1.5",
            "session-v0.1.0-beta.2",
            "web-v1.0.0-beta.2",
            "http-v0.1.4",
            "http-test-v0.1.1",
            "http-v0.1.3",
            "http-v0.1.2",
            "multipart-v0.1.0-beta.1",
            "v1.0.0-beta.1",
            "awc-v0.1.1",
            "http-v0.1.1",
            "framed-v0.1.0",
            "http-test-v0.1.0",
            "awc-v0.1.0",
            "http-v0.1.0",
            "v1.0.0-alpha.6",
            "v1.0.0-alpha.5",
            "v1.0.0-alpha.4",
            "v1.0.0-alpha.3",
            "v1.0.0-alpha.2",
            "http-v0.1.0-alpha.1",
            "0.7.18",
            "0.7.17",
            "0.7.16",
            "0.7.15",
            "v0.7.14",
            "v0.7.13",
            "v0.7.12",
            "v0.7.11",
            "v0.7.10",
            "v0.7.9",
            "v0.7.8",
            "v0.7.7",
            "v0.7.6",
            "v0.7.5",
            "v0.7.4",
            "v0.7.3",
            "v0.7.2",
            "v0.7.1",
            "v0.7.0",
            "v0.6.10",
            "v0.6.9",
            "v0.6.8",
            "v0.6.7",
            "v0.6.6",
            "v0.6.5",
            "v0.6.4",
            "v0.6.3",
            "v0.6.2",
            "v0.6.1",
            "v0.6.0",
            "v0.5.5",
            "v0.5.4",
            "v0.5.3",
            "v0.5.2",
            "v0.5.1",
            "v0.5.0",
            "v0.4.10",
            "v0.4.9",
            "v0.4.8",
            "v0.4.7",
            "v0.4.6",
            "v0.4.5",
            "v0.4.4",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.3",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.1",
            "v0.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35901.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:48.298060044Z",
      "provider": "osv",
      "references": [
        "https://rustsec.org/advisories/RUSTSEC-2020-0048.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-35901",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436733,
  "published_at": "2020-12-31T09:15:14.88+00:00"
}