Heap-use-after-free in draco::Metadata::AddSubMetadata

{
  "id": "78a40d1d02b8a6af4a75d13f6004432deee885e8e84bb363cd7661797a5f0e4c",
  "url": "https://osv.dev/vulnerability/OSV-2020-828",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Heap-use-after-free in draco::Metadata::AddSubMetadata",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24059 ``` Crash type: Heap-use-after-free READ 8 Crash state: draco::Metadata::AddSubMetadata draco::MetadataDecoder::DecodeMetadata draco::MetadataDecoder::DecodeGeometryMetadata ```",
    "evidence": "osv:OSV-2020-828",
    "products": [
      {
        "name": {
          "value": "draco",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.4.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.4.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.4.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.5.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.5.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.5.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.5.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.5.4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.5.5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.5.6",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.5.7",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.5.8",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.5.9",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2020-828",
      "aliases": [
        "OSV-2020-828"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/google/draco",
              "type": "GIT",
              "events": [
                {
                  "introduced": "25484b31235d1a35fa72be6ce8d1f7f286b5c0bf"
                }
              ]
            }
          ],
          "package": {
            "name": "draco",
            "purl": "pkg:generic/draco",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "1.4.0",
            "1.4.1",
            "1.4.3",
            "1.5.0",
            "1.5.1",
            "1.5.2",
            "1.5.3",
            "1.5.4",
            "1.5.5",
            "1.5.6",
            "1.5.7",
            "1.5.8",
            "1.5.9"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/draco/OSV-2020-828.yaml"
          },
          "ecosystem_specific": {
            "severity": "HIGH",
            "introduced_range": "aef4bfbd61798ecc21d94c873b679fbdeaf92462:79601d2d060be52e673a82ed1c46f4666eb28255"
          }
        }
      ],
      "modified": "2026-10-19T14:24:02.119780Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24059"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 374787,
  "published_at": "2020-07-14T05:37:49.784283+00:00"
}