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CVE-2026-96749

🗓️ 24 Sep 2026 18:18:13Reported by mongodbType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

Unauthenticated heap out-of-bounds write in MongoDB Python Driver BSON encoding via size overflow.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-96749 Heap out-of-bounds write via signed size overflow in BSON document encoding
24 Sep 202618:18
–cvelist
euvd
EUVD
EUVD-2026-86348
24 Sep 202618:18
–euvd
nvd
NVD
CVE-2026-96749
24 Sep 202619:17
–nvd
redhatcve
RedhatCVE
CVE-2026-96749
24 Sep 202618:56
–redhatcve
ubuntucve
UbuntuCve
CVE-2026-96749
24 Sep 202600:00
–ubuntucve
vulnrichment
Vulnrichment
CVE-2026-96749 Heap out-of-bounds write via signed size overflow in BSON document encoding
24 Sep 202618:18
–vulnrichment
[
  {
    "vendor": "MongoDB",
    "product": "Python Driver",
    "versions": [
      {
        "status": "affected",
        "version": "1.9.0",
        "lessThan": "4.18.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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24 Sep 2026 21:00Current
6Medium risk
Vulners AI Score6
CVSS 47.5
CVSS 3.18.4
SSVC
9