CVE-2025-12657 Affecting mongodb package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.37% (30th percentile)

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  • Snyk IDSNYK-UBUNTU1804-MONGODB-13842491
  • published26 Feb 2026
  • disclosed3 Nov 2025

Introduced: 3 Nov 2025

CVE-2025-12657  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:18.04 mongodb.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mongodb package and not the mongodb package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

The KMIP response parser built into mongo binaries is overly tolerant of certain malformed packets, and may parse them into invalid objects. Later reads of this object can result in read access violations.

CVSS Base Scores

version 3.1