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CVE-2025-14847

HIGHCISA KEV

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/19/2025

Last Modified1/13/2026

Sourcekev

Honeypot Sightings0

CISA KEV

VendorMongoDB

ProductMongoDB and MongoDB Server

Vulnerability NameMongoDB and MongoDB Server Improper Handling of Length Parameter Inconsistency Vulnerability

KEV Date Added2025-12-29

Remediation Due Date2026-01-19

Ransomware UseUnknown

Affected Products

mongodb:mongodb

Weaknesses (CWE)

CWE-130

References

https://jira.mongodb.org/browse/SERVER-115508(cna@mongodb.com)

http://www.openwall.com/lists/oss-security/2025/12/29/21(af854a3a-2127-422b-91ae-364da2661108)

https://www.smartkeyss.com/post/mongobleed-pre-auth-memory-disclosure-via-op_compressed-in-mongodb-cve-2025-14847(af854a3a-2127-422b-91ae-364da2661108)

https://www.vicarius.io/vsociety/posts/cve-2025-14847-detection-script-heap-memory-exposure-in-mongodb-server(af854a3a-2127-422b-91ae-364da2661108)

https://www.vicarius.io/vsociety/posts/cve-2025-14847-mitigation-script-heap-memory-exposure-in-mongodb-server(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-14847(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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