Security advisory

{
  "id": "d2a952fd104c058f2bcedc9190feb6f27283eb31f97768782b7fb99917e0b11e",
  "url": "https://osv.dev/vulnerability/CVE-2020-35906",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35906",
    "summary": "An issue was discovered in the futures-task crate before 0.3.6 for Rust. futures_task::waker may cause a use-after-free in a non-static type situation.",
    "evidence": "osv:CVE-2020-35906",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-35906",
      "aliases": [
        "CVE-2020-35906",
        "GHSA-r93v-9p5q-vhpf",
        "RUSTSEC-2020-0060"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/rust-lang/futures-rs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "42332a000bcc081259d6e9fe9e602ab6ec6367c1"
                },
                {
                  "fixed": "74b2ff0ed6691b340fd460a919320708ebfbe3e3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:rust-lang:futures-task:*:*:*:*:*:rust:*:*",
                    "range": [
                      {
                        "introduced": "0.2.1"
                      },
                      {
                        "fixed": "0.3.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35906.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:47.372317912Z",
      "provider": "osv",
      "references": [
        "https://rustsec.org/advisories/RUSTSEC-2020-0060.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-35906",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436528,
  "published_at": "2020-12-31T09:15:15.177+00:00"
}