{
  "cveId": "CVE-2026-84969",
  "url": "https://patchblox.com/security/cve/CVE-2026-84969",
  "summary": "CVE-2026-84969 is fixed in mongo-c-driver on 1 platform by DEBIAN-CVE-2026-84969 (version 2.5.2-1), released September 10, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "mongo-c-driver: A memory-handling error in the BSON-to-JSON conversion helpers of the MongoDB C Driver can write a small number of by...",
  "description": "A memory-handling error in the BSON-to-JSON conversion helpers of the MongoDB C Driver can write a small number of bytes past the end of a heap buffer when a binary field is encoded and the output is cut short at a caller-configured length limit. A party who supplies the document content, with no privileges on the application that links the driver, may cause a small amount of data outside the intended buffer to be altered.",
  "published": "2026-09-03T15:17:36Z",
  "severity": "low",
  "cvss": 3.7,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
  "epss": 0.00271,
  "epssPercentile": 0.19452,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "mongo-c-driver",
      "release": "Debian 14",
      "fixedVersion": "2.5.2-1",
      "fix": "DEBIAN-CVE-2026-84969",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-84969",
      "released": "2026-09-10T12:12:19Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}