Out-of-bounds read in bson module of PyMongo

{
  "id": "1c567b9265731ebe22ce1ea517e4e2ddff3c08fb1d598014b99c3503681a8497",
  "url": "https://osv.dev/vulnerability/CVE-2024-5629",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Out-of-bounds read in bson module of PyMongo",
    "summary": "An out-of-bounds read in the 'bson' module of PyMongo 4.6.2 or earlier allows deserialization of malformed BSON provided by a Server to raise an exception which may contain arbitrary application memory.",
    "evidence": "osv:CVE-2024-5629",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-5629",
      "aliases": [
        "CVE-2024-5629",
        "GHSA-m87m-mmvp-v9qm",
        "PYSEC-2026-1826"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mongodb/mongo-python-driver",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8da192f9ca2d4f6464897b22b3029c227043f0cb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mongodb:pymongo:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.6.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.6.2",
            "4.6.1",
            "4.6.0",
            "4.5.0",
            "4.4.0",
            "4.4.0b0",
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            "0.15",
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            "0.14.1",
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-5629.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:27.629401690Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2024/06/msg00007.html",
        "https://lists.debian.org/debian-lts-announce/2024/09/msg00032.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/5xxx/CVE-2024-5629.json",
        "https://jira.mongodb.org/browse/PYTHON-4305",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-5629"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-125"
        ],
        "cna_assigner": "mongodb",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "4.6.2"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/5xxx/CVE-2024-5629.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-5629",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 494409,
  "published_at": "2024-06-05T14:32:56.435+00:00"
}