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Heap overflow via truncated base64 encoding of binary fields in length-limited JSON output

🗓️ 03 Sep 2026 14:59:01Reported by MongoDBType 
mongodb
 mongodb
🔗 www.mongodb.com👁 3 Views

Heap overflow in MongoDB C Driver BSON-to-JSON via truncated base64 of binary fields.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-84969
3 Sep 202615:44
circl
cve
CVE
CVE-2026-84969
3 Sep 202614:59
cve
cvelist
Cvelist
CVE-2026-84969 Heap overflow via truncated base64 encoding of binary fields in length-limited JSON output
3 Sep 202614:59
cvelist
debiancve
Debian CVE
CVE-2026-84969
3 Sep 202614:59
debiancve
euvd
EUVD
EUVD-2026-70508
3 Sep 202614:59
euvd
nvd
NVD
CVE-2026-84969
3 Sep 202615:17
nvd
osv
OSV
DEBIAN-CVE-2026-84969
3 Sep 202615:17
osv
ptsecurity
Positive Technologies
PT-2026-85072
3 Sep 202600:00
ptsecurity
ubuntucve
UbuntuCve
CVE-2026-84969
4 Sep 202600:00
ubuntucve
vulnrichment
Vulnrichment
CVE-2026-84969 Heap overflow via truncated base64 encoding of binary fields in length-limited JSON output
3 Sep 202614:59
vulnrichment
Vulners
Node
OR
mongodbc_driverRange1.30.01.30.9
mongodbc_driverRange2.0.02.5.2

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03 Sep 2026 15:08Current
CVSS 3.13.7
CVSS 46.3
EPSS0.00167
SSVC
3