CVE-2026-96746

An out-of-bounds write in the connection-monitoring logic of the MongoDB C Driver may allow an unauthenticated party who controls name resolution and the responses of the hosts named in a client's connection string to write beyond the end of a heap buffer. This may cause the application using the driver to terminate unexpectedly.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/mongodb/mongo-c-driver/releases/tag/1.30.12
https://github.com/mongodb/mongo-c-driver/releases/tag/2.5.5
https://github.com/mongodb/mongo-c-driver/security/advisories/GHSA-frjf-h5jg-4v46

Configurations

No configuration.

History

24 Sep 2026, 19:17

Type	Values Removed	Values Added
References		() https://github.com/mongodb/mongo-c-driver/security/advisories/GHSA-frjf-h5jg-4v46 -

24 Sep 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-24 16:17

Updated : 2026-09-24 21:04

NVD link : CVE-2026-96746

Mitre link : CVE-2026-96746

CVE.ORG link : CVE-2026-96746

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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