Heap-buffer-overflow in readstat_convert

{
  "id": "09c18c9ebd93af70c55ea89084e23be9417482a173dabcfc758c617bb376d37c",
  "url": "https://osv.dev/vulnerability/OSV-2021-732",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Heap-buffer-overflow in readstat_convert",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33991 ``` Crash type: Heap-buffer-overflow READ 1 Crash state: readstat_convert sav_process_row sav_read_uncompressed_data ```",
    "evidence": "osv:OSV-2021-732",
    "products": [
      {
        "name": {
          "value": "readstat",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "v1.1.6",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.1.6-rc0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.1.6-rc1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.1.7-rc0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.1.7-rc1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.1.7",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.1.8-rc0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.1.8",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "v1.1.9",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2021-732",
      "aliases": [
        "OSV-2021-732"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/WizardMac/ReadStat",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8bfe4983798947b648204b408916360cefe73d93"
                }
              ]
            }
          ],
          "package": {
            "name": "readstat",
            "purl": "pkg:generic/readstat",
            "ecosystem": "OSS-Fuzz"
          },
          "versions": [
            "v1.1.6",
            "v1.1.6-rc0",
            "v1.1.6-rc1",
            "v1.1.7-rc0",
            "v1.1.7-rc1",
            "v1.1.7",
            "v1.1.8-rc0",
            "v1.1.8",
            "v1.1.9"
          ],
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/readstat/OSV-2021-732.yaml"
          },
          "ecosystem_specific": {
            "severity": "MEDIUM"
          }
        }
      ],
      "modified": "2026-10-19T14:28:09.499289Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33991"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 374802,
  "published_at": "2021-05-06T00:00:30.987446+00:00"
}