{
  "cveId": "CVE-2026-106429",
  "url": "https://patchblox.com/security/cve/CVE-2026-106429",
  "summary": "CVE-2026-106429 is fixed in libmongocrypt on 1 platform by DEBIAN-CVE-2026-106429 (version 1.20.5-1), released October 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libmongocrypt: An integer underflow in the KMS endpoint-parsing logic of MongoDB libmongocrypt can cause an allocation failure that...",
  "description": "An integer underflow in the KMS endpoint-parsing logic of MongoDB libmongocrypt can cause an allocation failure that terminates the application process. This can occur when an authenticated user modifies a key document in the key vault collection, or when an application accepts a KMS endpoint containing a colon after its path or query during key creation. The issue does not access memory outside its allocated bounds.",
  "published": "2026-10-08T19:16:58Z",
  "severity": "",
  "epss": 0.0029,
  "epssPercentile": 0.21673,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libmongocrypt",
      "release": "Debian 14",
      "fixedVersion": "1.20.5-1",
      "fix": "DEBIAN-CVE-2026-106429",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-106429",
      "released": "2026-10-16T15:52:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T19:38:12Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}