WITHDRAWN: Denial of service in github.com/shamaton/msgpack

{
  "id": "0d47ab2ba4214470cddcb5b279214c143d9e2c5aaf76a6c82d0bcaeb94ac8bae",
  "url": "https://osv.dev/vulnerability/GO-2026-4740",
  "method": "structured",
  "payload": {
    "kind": "withdrawal",
    "title": "WITHDRAWN: Denial of service in github.com/shamaton/msgpack",
    "summary": "(This report has been withdrawn with reason: \"Duplicate of 4513\").",
    "evidence": "osv:GO-2026-4740",
    "products": [
      {
        "name": {
          "value": "github.com/shamaton/msgpack",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "github.com/shamaton/msgpack/v2",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "github.com/shamaton/msgpack/v3",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "GO-2026-4740",
      "aliases": [
        "CVE-2026-32284",
        "GHSA-h9q6-hc68-35rp",
        "GO-2026-4513",
        "GO-2026-4740"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/shamaton/msgpack",
            "purl": "pkg:golang/github.com/shamaton/msgpack",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2026-4740.json"
          },
          "ecosystem_specific": {}
        },
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/shamaton/msgpack/v2",
            "purl": "pkg:golang/github.com/shamaton/msgpack/v2",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2026-4740.json"
          },
          "ecosystem_specific": {}
        },
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/shamaton/msgpack/v3",
            "purl": "pkg:golang/github.com/shamaton/msgpack/v3",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2026-4740.json"
          },
          "ecosystem_specific": {}
        }
      ],
      "modified": "2026-10-07T17:45:09.905100889Z",
      "provider": "osv",
      "references": [
        "https://github.com/shamaton/msgpack/issues/59",
        "https://github.com/advisories/GHSA-h9q6-hc68-35rp",
        "https://github.com/golang/vulndb/issues/4513",
        "https://securityinfinity.com/research/shamaton-msgpack-oob-panic-fixext-dos-2026"
      ],
      "provider_metadata": {
        "url": "https://pkg.go.dev/vuln/GO-2026-4740",
        "review_status": "REVIEWED"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-32284",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 97097,
  "published_at": "2026-03-23T18:14:47+00:00"
}