Security advisory

{
  "id": "7f986dd1bc9b28d95618d64e78cfe151823de45dac380bdf114a1e7e0bdac0c2",
  "url": "https://osv.dev/vulnerability/CVE-2020-35918",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35918",
    "summary": "An issue was discovered in the branca crate before 0.10.0 for Rust. Decoding tokens (with invalid base62 data) can panic.",
    "evidence": "osv:CVE-2020-35918",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-35918",
      "aliases": [
        "CVE-2020-35918",
        "GHSA-c9rv-3jmq-527w",
        "RUSTSEC-2020-0075"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/return/branca",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "289cf60e57d80c9cf43d5a91d8c66422690c517e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hakobaito:branca:*:*:*:*:*:rust:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.10.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.9.2",
            "v0.9.1",
            "v0.9.0",
            "v0.8.0",
            "v0.5.0",
            "v0.2.0",
            "v0.1.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35918.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:24.428169504Z",
      "provider": "osv",
      "references": [
        "https://github.com/tuupola/branca-spec/issues/22",
        "https://github.com/return/branca/issues/24",
        "https://rustsec.org/advisories/RUSTSEC-2020-0075.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-35918",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384295,
  "published_at": "2020-12-31T09:15:15.88+00:00"
}