CVE-2025-14847
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-19

Last updated on: 2025-12-19

Assigner: MongoDB, Inc.

Description
Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, MongoDB Server v4.0 versions greater than or equal to 4.0.0, and MongoDB Server v3.6 versions greater than or equal to 3.6.0.
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Meta Information
Published
2025-12-19
Last Modified
2025-12-19
Generated
2026-06-16
AI Q&A
2025-12-19
EPSS Evaluated
2026-06-15
NVD
Affected Vendors & Products
Showing 9 associated CPEs
Vendor Product Version / Range
mongodb mongodb_server 8.2
mongodb mongodb_server 3.6
mongodb mongodb_server 4.0
mongodb mongodb_server 8.0
mongodb mongodb_server 5.0
mongodb mongodb_server 4.4
mongodb mongodb_server 7.0
mongodb mongodb_server 4.2
mongodb mongodb_server 6.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-130 The product parses a formatted message or structure, but it does not handle or incorrectly handles a length field that is inconsistent with the actual length of the associated data.
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Executive Summary

This vulnerability involves mismatched length fields in Zlib compressed protocol headers in MongoDB Server. It may allow an unauthenticated client to read uninitialized heap memory, potentially exposing sensitive data. It affects multiple versions of MongoDB Server prior to certain fixed releases.

Impact Analysis

An unauthenticated attacker could exploit this vulnerability to read uninitialized heap memory, which might contain sensitive information. This could lead to data exposure without requiring authentication, posing a significant security risk.

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