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OpenAdvisories
High · 7.5 CVE-2025-6714 EUVD-2025-20263GHSA-4cp7-9f6j-9x6f

Incorrect Handling of incomplete data may prevent mongoS from Accepting New Connections

Published Jul 7, 2025 · Updated Jul 7, 2025 · Assigned by mongodb

Description

MongoDB Server's mongos component can become unresponsive to new connections due to incorrect handling of incomplete data. This affects MongoDB when configured with load balancer support. This issue affects MongoDB Server v6.0 prior to 6.0.23, MongoDB Server v7.0 prior to 7.0.20 and MongoDB Server v8.0 prior to 8.0.9

Required Configuration:

This affects MongoDB sharded clusters when configured with load balancer support for mongos using HAProxy on specified ports.

Affected products

VendorProductAffectedFixed
MongoDB MongoDB Server 6.0 – < 6.0.23, 7.0 – < 7.0.20, 8.0 – < 8.0.9 6.0.23

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu Pro 20.04 LTS mongodb No fix yet —
Ubuntu Pro 18.04 LTS mongodb No fix yet —
Ubuntu Pro 16.04 LTS mongodb No fix yet —
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 14.04 LTS mongodb No fix yet —

Advisories 1

References