#VU120254 Improper Handling of Length Parameter Inconsistency in MongoDB - CVE-2025-14847

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Main Vulnerability Database Vulnerabilities #VU120254

#VU120254 Improper Handling of Length Parameter Inconsistency in MongoDB - CVE-2025-14847

Published: December 23, 2025 / Updated: February 11, 2026


Vulnerability identifier: #VU120254
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2025-14847
CWE-ID: CWE-130
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
MongoDB
Software vendor:
MongoDB, Inc.

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to mismatched length fields in Zlib compressed protocol headers. A remote non-authenticated client can read parts of uninitialized heap memory and gain access to sensitive information. 



Remediation

Install updates from vendor's website.

External links