Security advisory

{
  "id": "06e12131f8e6ba855628b3f032ed85723400fc54e54e891f5aa12efa952ecc35",
  "url": "https://osv.dev/vulnerability/CVE-2019-12410",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-12410",
    "summary": "While investigating UBSAN errors in https://github.com/apache/arrow/pull/5365 it was discovered Apache Arrow versions 0.12.0 to 0.14.1, left memory Array data uninitialized when reading RLE null data from parquet. This affected the C++, Python, Ruby and R implementations. The uninitialized memory could potentially be shared if are transmitted over the wire (for instance with Flight) or persisted in the streaming IPC and file formats.",
    "evidence": "osv:CVE-2019-12410",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-12410",
      "aliases": [
        "CVE-2019-12410",
        "GHSA-cjw4-2w9r-r8mv",
        "PYSEC-2019-196"
      ],
      "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/apache/arrow",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8ca41384b5324bfd0ef3d3ed3f728e1d10ed73f0"
                },
                {
                  "last_affected": "5f564424c71cef12619522cdde59be5f69b31b68"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:arrow:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.12.0"
                      },
                      {
                        "last_affected": "0.14.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "apache-arrow-0.14.1",
            "apache-arrow-0.14.0",
            "apache-arrow-0.13.0",
            "apache-arrow-js-0.4.1",
            "apache-arrow-0.12.0",
            "apache-arrow-js-0.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12410.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:05.675913121Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/49f067b1c5fb7493d952580f0d2d032819ba351f7a78743c21126269%40%3Cdev.arrow.apache.org%3E",
        "https://lists.apache.org/thread.html/efd8bbf57427d3c303b5316d208a335f8d0c0dbe0dc4c87cfa995073%40%3Cannounce.apache.org%3E"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-12410",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 440822,
  "published_at": "2019-11-08T19:15:10.287+00:00"
}