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OpenAdvisories
Medium · 6.5 CVE-2026-6914 EUVD-2026-26262GHSA-w2h7-qr22-rw7j

MD5 checksum creation may cause availability loss

Published Apr 29, 2026 · Updated Apr 29, 2026 · Assigned by mongodb

Description

Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server.
This issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior to 7.0.32

Affected products

VendorProductAffectedFixed
MongoDB MongoDB Server 8.2.0 – < 8.2.7, 8.1.0 – ≤ 8.1.*, 8.0.0 – < 8.0.21, 7.0.0 – < 7.0.32 8.2.7

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