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CVE-2026-4359

Heap-buffer-over-read in _mongoc_http_send via strstr on non-null-terminated buffer

Published: Mar 17, 2026Updated: Apr 2, 2026 Sources: CVE List NVDCWE-158
NVD MITRE
2.0CVSSLOW
EPSS Score
0.2%
Top 91.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A compromised third party cloud server or man-in-the-middle attacker could send a malformed HTTP response and cause a crash in applications using the MongoDB C driver.

CVSS Vector Breakdown

AV:NAC:HPR:HUI:RS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-158NVD-CWE-noinfo

Affected Products

c drivermongodbDatabases
MongoDB C DriverMongoDB Inc
On-prem
Databases / nosql
mongodbcommercialUSDatabases
mongodb inccommercialUSDatabasesaka mongodb, mongo

Exploitability

Official Patch Available

References

https://jira.mongodb.org/browse/CDRIVER-6251
jira.mongodb.org

Timeline

Published
Mar 17, 2026
Last Updated
Apr 2, 2026

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