Security advisory

{
  "id": "480951d4a4c4adba315f400f48b685432d44f75ad6c4e467b54eec22f30b3b2f",
  "url": "https://osv.dev/vulnerability/CVE-2021-46102",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-46102",
    "summary": "From version 0.2.14 to 0.2.16 for Solana rBPF, function \"relocate\" in the file src/elf.rs has an integer overflow bug because the sym.st_value is read directly from ELF file without checking. If the sym.st_value is rather large, an integer overflow is triggered while calculating the variable \"addr\" via \"addr = (sym.st_value + refd_pa) as u64\";",
    "evidence": "osv:CVE-2021-46102",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-46102",
      "aliases": [
        "CVE-2021-46102",
        "GHSA-xwqr-xmgg-j69q"
      ],
      "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/solana-labs/rbpf",
              "type": "GIT",
              "events": [
                {
                  "introduced": "302de4d10888dfb76534693308f4ef8060b86fcd"
                },
                {
                  "last_affected": "c14764850f0b83b58aa013248eaf6d65836c1218"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:solanalabs:rbpf:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.2.14"
                      },
                      {
                        "last_affected": "0.2.16"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.2.16",
            "v0.2.15",
            "v0.2.14"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46102.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:13.465041876Z",
      "provider": "osv",
      "references": [
        "https://github.com/solana-labs/rbpf/pull/200",
        "https://github.com/solana-labs/rbpf/pull/236",
        "https://blocksecteam.medium.com/new-integer-overflow-bug-discovered-in-solana-rbpf-7729717159ee",
        "https://github.com/solana-labs/rbpf/blob/c14764850f0b83b58aa013248eaf6d65836c1218/src/elf.rs#L609-L630"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-46102",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384968,
  "published_at": "2022-01-27T18:15:07.77+00:00"
}