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CVE-2026-84970

🗓️ 03 Sep 2026 14:56:14Reported by mongodbType 
cve
 cve
🔗 web.nvd.nist.gov👁 22 Views

Heap over-read in MongoDB C++ Driver BSON JSON parser via 32-bit length truncation.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-84970
3 Sep 202615:30
circl
cvelist
Cvelist
CVE-2026-84970 Heap over-read or silent misparse via 32-bit truncation of JSON length in BSON JSON parser
3 Sep 202614:56
cvelist
debiancve
Debian CVE
CVE-2026-84970
3 Sep 202614:56
debiancve
euvd
EUVD
EUVD-2026-70505
3 Sep 202614:56
euvd
mongodb
MongoDB
Heap over-read or silent misparse via 32-bit truncation of JSON length in BSON JSON parser
3 Sep 202614:56
mongodb
nvd
NVD
CVE-2026-84970
3 Sep 202615:17
nvd
osv
OSV
DEBIAN-CVE-2026-84970
3 Sep 202615:17
osv
ptsecurity
Positive Technologies
PT-2026-85073
3 Sep 202600:00
ptsecurity
ubuntucve
UbuntuCve
CVE-2026-84970
3 Sep 202615:17
ubuntucve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-84970
4 Sep 202600:00
nessus
Rows per page
NVD
Node
mongodbc++_driverRange3.2.04.5.2mongodb
[
  {
    "vendor": "MongoDB",
    "product": "C++ Driver",
    "versions": [
      {
        "status": "affected",
        "version": "3.2.0",
        "lessThan": "4.5.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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10 Sep 2026 19:47Current
6Medium risk
Vulners AI Score6
CVSS 3.15.8 - 6.2
CVSS 45.9
EPSS0.00088
SSVC
22