Security advisory

{
  "id": "88af3cbdc9d7f3c2f18143ac2eb2ac23f0022a2280fefedde02904baeee3a161",
  "url": "https://osv.dev/vulnerability/CVE-2020-35858",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35858",
    "summary": "An issue was discovered in the prost crate before 0.6.1 for Rust. There is stack consumption via a crafted message, causing a denial of service (e.g., x86) or possibly remote code execution (e.g., ARM).",
    "evidence": "osv:CVE-2020-35858",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-35858",
      "aliases": [
        "CVE-2020-35858",
        "GHSA-gv73-9mwv-fwgq",
        "RUSTSEC-2020-0002"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/danburkert/prost",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9ec36145802767cdece2268c05b2663dcb004e0a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:prost_project:prost:*:*:*:*:*:rust:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.6.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.6.0",
            "v0.5.0",
            "v0.4.0",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.3",
            "v0.2.2",
            "v0.2.1",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35858.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:25.751610180Z",
      "provider": "osv",
      "references": [
        "https://rustsec.org/advisories/RUSTSEC-2020-0002.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-35858",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431431,
  "published_at": "2020-12-31T10:15:14.83+00:00"
}