vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-4359

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

LOW
3.7
CVSS Score
Published: March 17, 2026 at 07:42 PM UTC
Updated: June 17, 2026 at 10:56 AM UTC
1 product affected across 1 vendorC++ Driver

Using MongoDB C Driver by MongoDB Inc?

Get instant alerts when new vulnerabilities affect MongoDB C Driver - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
LOW3.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

C++ Driver· MongoDBnuget
95%
v < 1.30.8v < 2.2.32.2.0 ≤ v < 2.2.3
Affected range stops below 2.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

PatchVendor Advisory
Source: cverecord
https://jira.mongodb.org/browse/CDRIVER-6251

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.7LOW[email protected]
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-158NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card