CVE-2026-4359 LOW

CVE-2026-4359: Heap-buffer-over-read in _mongoc_http_send via strstr on non-null-terminated buffer

Vendor Mongodb Inc

Product MongoDB C Driver

Weakness CWE-158

Published March 17, 2026

Last update March 18, 2026

View on NVD All CVEs

CVSS base score

2.0/10

Attack vector Network

Attack complexity High

Privileges required High

User interaction —

Confidentiality —

Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 17, 2026 CVE published

March 18, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-4359 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/158.html

Related vulnerabilities

CVE-2026-4359: Heap-buffer-over-read in _mongoc_http_send via strstr on non-null-terminated buffer

01Description

02Disclosure timeline

03References

04Related CVE