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CVE-2026-93395 Integer Underflow → Heap Out-of-Bounds Read in `bson_new_from_buffer()

🗓️ 17 Sep 2026 20:34:57Reported by mongodbType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Unauthorized integer underflow in libbson bson_new_from_buffer causes heap OOB read, DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-93395
17 Sep 202620:34
cve
euvd
EUVD
EUVD-2026-82471
17 Sep 202620:34
euvd
nvd
NVD
CVE-2026-93395
17 Sep 202621:17
nvd
[
  {
    "vendor": "MongoDB Inc.",
    "product": "C Driver",
    "versions": [
      {
        "status": "affected",
        "version": "2.0.0",
        "lessThan": "2.3.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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