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CVE-2026-84965

🗓️ 03 Sep 2026 15:01:21Reported by mongodbType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Integer wraparound in BSON library JSON parsing causes heap write DoS on 32-bit builds.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-84965 Heap write primitive via size round-up wrap during JSON parsing on 32-bit builds
3 Sep 202615:01
cvelist
euvd
EUVD
EUVD-2026-70513
3 Sep 202615:01
euvd
nvd
NVD
CVE-2026-84965
3 Sep 202616:18
nvd
ptsecurity
Positive Technologies
PT-2026-85069
3 Sep 202600:00
ptsecurity
[
  {
    "vendor": "MongoDB",
    "product": "C Driver",
    "versions": [
      {
        "status": "affected",
        "version": "1.10.0",
        "lessThan": "1.30.9",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "2.0.0",
        "lessThan": "2.5.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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03 Sep 2026 16:25Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.1
CVSS 45.9
6